Content      ..     3      4      5      6     ..

SANY Crawler Hydraulic Excavator SY115C9/135C/155H. Operation and Maintenance Manual - page 5

System Functions

(D): air outlet for feet (1)

Fig. 3-94

Air Outlet

LCD Display

Air Outlet Mode

Remark

A

B

C

D

Front outlet for face

○

Auto operation disabled

Front and back outlets for

○

○

face

Front and back outlets for

○

○

○

face and feet

Air outlet for feet

○

Air outlet for feet and de-

○

Auto operation disabled

froster

Air outlet for defroster

○

Auto operation disabled

Table 3-7

Remark:

Air comes out of the outlet identified with ○ .

3-61

System Functions

(5) Automatic control switch

This switch (5) can be used to set air flow, out-

lets and fresh air or circulation automatically

according to the preset temperature.

● Pressing the automatic control switch (5),

the indicator above the switch comes on.

Fig. 3-95

● Generally, pressing this switch and setting

with the Temperature Switch (3) to a suit-

able temperature, the air conditioner will

run automatically.

● Changing from automatic control to manual

control requires only resetting the air flow,

outlets and fresh air/recirculation mode.

The indicator above the switch goes out.

Remark:

When automatic control is selected, the air

flow may remain at HIGH if the temperature is

set at 18 ℃ (64.4 ℉ ) or 32 ℃ (89.6 ℉ ). But

this is not a fault.

(6) Fresh air/recirculation switch

This switch (6) is used to open or close the

fresh air inlet.

● After the switch is pressed, the indicator

above the switch is illuminated to indicate

a state of taking in fresh air.

● Fresh air and recirculation modes toggle

Fig. 3-96

automatically in automatic control.

The air inlet is closed. The air will recirculate in the operator cab.

Recirculate

It is suitable for rapid cooling or heating of the operator cab. It is also used

when the external air is contaminated.

Fresh air is taken into the operator cab.

Fresh Air Intake

It is used to take in fresh air and defog.

3-62

System Functions

(7) LCD display

LCD display (7) shows the preset temperature

(a), air flow (b) and outlet position (c) during

operation.

● By pressing the OFF switch (1), the display

of preset temperature (a), air flow (b) and

outlet position (c) disappears, and the op-

eration stops.

(8) Air conditioner switch

Fig. 3-97

The air conditioner switch (8) is used to switch

on/off the air conditioner or its operation (cool-

ing, dehumidifying and heating).

● When the fan is working (the LCD

displays(b)), press the air conditioner

switch (8) to activate the air conditioner.

The indicator above the switch will be illu-

minated. Press this switch again to deacti-

Fig. 3-98

vate the air conditioner. The indicator goes

out.

● The air conditioner is disabled when the

fan is switched off (outlet position disap-

pears from the LCD display).

(9) Sunlight sensor

The sunlight sensor will adjust the air flow of

air outlet to match the strength of sunlight. In

addition, it can detect automatically the varia-

tion of the temperature in the operator cab due

to the strength of sunlight. And it can control

temperature automatically.

Fig. 3-99

3-63

System Functions

3.15.2 Operation method

You can control the air conditioner automati-

cally or manually. Select a control manner you

want.

Automatic operation

1. Turn on the automatic control switch (5).

● The LCD panel will display the temperature

(a) and air flow (b). The indicators above

the automatic switch (5) and air conditioner

switch (8) will be illuminated.

Fig. 3-100

Fig. 3-101

2. Use the temperature switch (3) to set a

comfortable climate. By setting the tempera-

ture, the air conditioner will change auto-

matically its air flow, air outlet position and

fresh air/recirculation air in order to achieve

the preset temperature.

Fig. 3-102

3-64

System Functions

Remark:

When air outlet (c) is in (d) or (e) mode and

the temperature of engine coolant is low, the

air flow will be restricted to prevent blowing the

cooling air.

Fig. 3-103

Stopping AUTO operation

Press the OFF switch (1) in order to stop auto-

matic operation.

Fig. 3-104

Manual operation

1. Press fan switch (2) to regulate air flow.

Check the temperature (a) and the air flow

(b) displayed on the LCD display (7).

Fig. 3-105

Fig. 3-106

3-65

System Functions

2. Turn on the air conditioner switch (8).

Fig. 3-107

3. Press the temperature switch (3) to set the

internal temperature of the operator cab.

Fig. 3-108

4. Press the air outlet selector switch (4) to

set it to the desired mode. The display at (c)

on the LCD panel (7) will change accord-

ingly.

Fig. 3-109

Fig. 3-110

3-66

System Functions

5. Press the fresh air/recirculation switch (6)

to select the recirculation or fresh air intake

mode of the operator cab.

Fig. 3-111

Stopping manual operation

Press the switch OFF (1) to stop the manual

operation.

Fig. 3-112

Cooling air for face and warm air for feet

In order to direct cooling air to your face and

warm air to your feet, observe the following

procedures:

1. Press the fan switch (2) to adjust the air

flow. Check the LCD screen (7) for the

temperature (a) and air flow (b).

Fig. 3-113

Fig. 3-114

3-67

System Functions

2. Press the air outlet selector switch (4) in

order to display on the LCD panel the im-

age as shown in the right illustration.

Fig. 3-115

3. Turn on the air conditioner switch (8).

Fig. 3-116

4. Press the fan switch (2), temperature

switch (3) and fresh air/recirculation switch

(6) as desired.

Fig. 3-117

3-68

System Functions

Defroster operation

1. Press the fan switch (2) to regulate the air

flow. Meanwhile, check the temperature

(a) and air flow (b) displayed on the LCD

panel (7).

Fig. 3-118

Fig. 3-119

2. Press the air outlet selector switch (4) and

set the air outlet mode on the LCD panel

as shown the right illustration (f) or (g).

Fig. 3-120

Fig. 3-121

3-69

System Functions

3. Press the fresh air/recirculation switch (6)

to open the air inlet.

Fig. 3-122

4. Press the temperature switch (3) and set

the temperature on the LCD panel (7) to

the maximum (32℃ ).

Fig. 3-123

5. Adjustment:

● Rear air outlet (A)

Fig. 3-124

3-70

System Functions

● Air outlet for face (B)

● Defrosting outlet (C)

Fig. 3-127

● The air outlet (D) toward feet is fixed and

nonadjustable.

Fig. 3-125

● Turn on the air conditioner switch (8) when

operating in rainy season, defogging the

windows or carrying out dehumidifying op-

eration.

Fig. 3-126

3-71

System Functions

3.16 Radio

3.16.1 Control panel

Fig. 3-128

(1) Power switch

(6) Preset stations (1, 2, 3, 4, 5, 6)

(2) Sound effect switch

(7) LCD

(3) Time display

(8) Tuning buttons

(4) FM/AM selector

(9) Time adjusting buttons

(5) AS/PS button

(10) Volume control

Power switch

Press the power switch (1) in order to turn on the radio. The frequency is shown on the LCD dis-

play (7). Press the power switch again in order to turn off the radio.

Sound effects conversion

● Pressing the switch (2) each time, the sound effects will be displayed in turn: VOL → BAS →

TRE → Balance.

● The host machine will return to frequency display in terms of no operation within 5 seconds.

● The state of sound effects will be displayed on the LCD display (7).

Time display

● Pressing the switch (3) will display frequency in priority.

● When the frequency is displayed, pressing the switch (3) will display the present time for 5

seconds. The display will resume displaying frequency after 5 seconds.

3-74

System Functions

3.16.2 Radio operation

Presetting radio station

1. Press the power switch (1) in order to show

the frequency on display (7).

2. Press one of the tuning buttons (8) to locate

the desired frequency. There are two tuning

ways: manual and automatic.

3. When desired frequency is shown on the

display (7), depress one of the preset but-

tons for at least 1.5 seconds. The voice will

Fig.

3-129

disappear. But the voice will come back

when the presetting operation (storing to the

memory) is completed. The preset button

number and the frequency will be displayed,

indicating the completion of presetting op-

eration. After presetting the stations, press

one of the preset buttons (6) for at least 1.5

seconds in order to tune in the preset sta-

tion.

Remark:

The AS/PS button can be used to preset the stations automatically.

Searching radio station

1. Press the power switch (1) in order to show the frequency on display (7).

2. Press one of the tuning buttons (8) to locate the desired frequency. There are two tuning

ways: manual and automatic.

● Manual tuning

Press one of the tuning buttons (8) till the frequency appears on the display (7).

＜ key: Decrease the frequency.

＞ key: Increase the frequency.

When the frequency reaches its maximum or minimum limit, it will cycle in the order of max-min

or min -max.

● Automatic tuning

Depress one of the tuning buttons (8) will activate automatic scanning of radio stations. When

any station is found, the tuning stops. To scan next station, depress one of the tuning buttons (8)

again.

3-76

System Functions

Setting the time correctly

3. Press the button (3) to display the time.

The display will return to show radio

frequency after 5 seconds and the time

cannot be reset. In this case, press the

time display button (3) again.

4. Press one of the time adjustment keys (9)

in order to select hours or minutes.

H key: Hour adjustment

Fig. 3-130

(Pressing this key once will increase 1 hour.)

M key: Minute adjustment

(Pressing this key once will increase 1 min-

ute.)

by pressing the H key or the M key, the hours

or minutes will keep going till the key is re-

leased.

ADJ key: When pressing the ADJ key, the

time will be preset as following:

● When it displays 00-05 minutes,the time

will return to 00 minute and 00 second.

(The hours remain unchanged.)

● When it displays 55 - 59 minutes, the time

will advance to 00 minute and 00 second.

(The hours will be more.)

● When it displays 06 - 54 minutes, the

time can not be preset. (Time remains the

same).

For Example:

10:05 → 10:00

10:59 → 11:00

10:26 → 10:26

Use the H, M and ADJ keys to set the time

correctly.

3-78

System Functions

Antenna

Before moving your machine into any build-

ing, it is necessary to put away the antenna

in order to prevent intervention. Put away the

antenna by the following steps:

1. Loosen the antenna's mounting bolt (1) in

order to place the antenna in position (A).

2. Tighten the bolt (1) after storing the an-

tenna.

Fig.

3-131

Radio operation precautions

● To be safe, the volume should be kept at a

level that you could hear the outside sound

during operation.

● The penetration of water into the loud-

speaker or radio may lead to unexpected

trouble. In this case, be careful of not get-

ting the device wet.

● Never use benzol, diluent or other solvent

to clean the control panel or buttons. Soft

dry cloth shall be used for cleaning. If the

device is too dirty, wipe it with alcohol.

● When disconnecting or replacing the bat-

tery, the preset stations and the clock will

be cleared. Therefore, the settings should

be readjusted.

3-79

System Functions

3.17 Auxiliary Power Supply

24V Power

Remove the cigar lighter. Its socket can be

used as auxiliary power supply.

Max applicable power supply is 240W

(24V×10A).

Remark:

Fig. 3-132

Never use this power supply for 12V devices.

3.18 Fuses

Remark:

Before replacing a fuse, make sure that the

start switch is in OFF position.

● The fuse panel is located at the right rear

of operator's seat .

● Fuses can protect electrical devices and

wires from burning.

● The fuse should be replaced if it is eroded,

produces white powder or becomes loose

in the fuse panel.

● Replace the fuse with one of the same ca-

Fig. 3-133

pacity.

3-80

System Functions

Fuse capacity and corresponding circuit

No.

Capacity

Circuit

F1

20A

Start circuit

F2

10A

Charging indicator

F3

5A

Horn circuit

F4

15A

Work lamp

F5

5A

Wiper & washer

F6

10A

Radio

F7

10A

Cab lamp

F8

20A

Air conditioner

F9

5A

Access lamp

F10

5A

Monitor

F11

15A

Controller

F13

15A

Head lamp

F14

10A

GPS

F15

15A

Cigar lighter

Table 3-8

Fig. 3-134

3.19 Fusible Link

The fusible link (1) could possibly fail if the

starter motor does not work with the start

switch in ON position. Open the fuse compart-

ment cover to access the fusible link on the

back side of the seat in order to check and re-

place it.

Remark:

The fusible link is the large-size fuse applied

to high current circuit in order to protect elec-

Fig. 3-135

trical component and wire from burning, in the

way operating as a common fuse.

3-81

System Functions

3.20 Controller

Be careful not to get the controller contami-

nated by water, mud or juice, which can cause

failure.

Never disassemble the controller in case of

any failure. Please contact Sany distributor for

repair.

Fig. 3-136

3.21 Toolbox

Store your tools in this box.

Fig. 3-137

3.22 Grease pump frame

The grease pump frame is inside the access

door at the left rear part of the machine. When

the grease pump is not in service, place it on

the frame.

Fig. 3-138

3-82

System Functions

3.23 Fire extinguisher

Fire extinguisher is equipped in the rear of op-

erator cab.

The following precautions must be observed in

order to deal with unexpected fire.

● Read instruction label on fire extinguisher

and know how to use fire extinguisher in

event of fire.

● Check fire extinguisher regularly in order

to make sure it is in the guarantee period.

● If your extinguisher has expired, replace it

immediately.

Fig. 3-139

3-83

Operation

4.1.2 Checks before starting

The items in this section must be checked ev-

ery day before starting the engine.

4.1.2.1 Fuel tank - check/drain

1. Remove lower cover plate of fuel tank.

2. Place a vessel under drain valve (1) to

contain drained fuel.

3. Turn drain valve (2) to OPEN position (O)

to drain sediment, water and fuel from

tank.

4. When clean fuel is seen, turn the drain

valve (2) to CLOSE position (S).

Fig. 4-1

5. Reinstall the lower cover plate.

4.1.2.2 Water separator - check/drain

1. Open the pump compartment door on the

right side of the machine.

Water separator is integrated with fuel pre-

filter (1).

SY115C9、SY135C8/C9、SY155H

2. Through transparent cover (2) you can

Fig. 4-2

observe water level and volume of sedi-

ment. In case of water or sediment built up

at bottom, place a vessel under drain hose

(4) to receive drainage.

3. Open drain valve (3) to discharge water.

4. Immediately close drain valve (3) when

fuel is seen coming out of drain hose (4).

Remark:

SY135C8(M)

● Clean transparent cover (2) when replac-

Fig. 4-3

4-7

Operation

ing the additional fuel filter (1) if the trans-

parent cover (2) is dirty or it is hard to see

the interior through it.

● When drain valve (3) has been removed

during cleaning, its O-ring must be greased

and the valve must be tightened till it con-

tacts the bottom.

4.1.2.3 Drain valve - regulate

If the drain valve (3) does not work smoothly,

the part with O-ring shall be greased to make

it move smoothly.

1. Place a vessel under the additional fuel

filter cartridge (1).

SY115C9、SY135C8/C9、SY155H

2. Open the drain valve (3) and drain all

water and sediment behind the transparent

Fig. 4-4

cover (2), and drain the fuel accumulated

in cartridge (1).

3. Remove the drain valve (3) after confirming

that nothing is coming out of the drain hose

(4).

4. Apply suitable amount of grease to the

O-ring (5). Pay attention to not greasing

the drain valve outlet (6) or its threads (7).

SY135C8(M)

5. Tighten drain valve (3) with hand till it

Fig. 4-5

contacts bottom of transparent cover (2).

6. Remove the fuel vessel.

Fig. 4-6

4-8

Operation

4.1.2.4 Hydraulic oil - check/refill

WARNING

● Components and oil art still hot and can cause burns after the engine has been just

shut down. Wait for them to cool down before working on them.

● When removing the cap for oil injection, turn it slowly to release internal pressure be-

fore removing it.

1.

Adjust the work equipment to the attitude

shown by the right illustration. Check oil

level. Add oil if necessary.

For the type of hydraulic oil used on the

machine see “Recommended Fluids”

on page 5-17.

2.

If the work equipment is not in the illus-

trated position, start the engine and run it

at low speed. Properly retract the arm and

Fig.

4-7

bucket cylinders, lower the boom to rest

the arm front end on the ground, and stop

the engine.

3.

Within 15 seconds after stoppage, operate

work equipment joystick controls and travel

control levers in all directions in order to

release internal pressure.

4.

Open the pump chamber door on the right

in order to check the oil level gauge (G).

Oil level should be maintained between H

and L marks.

Fig.

4-8

Note:

Never add oil to a level above the H mark,

which may ruin hydraulic devices and cause

oil to squirt. If the oil level is above the H mark,

stop the engine and wait for the oil to cool

down. Place a container under the drain plug

(P) beneath the hydraulic tank and discharge

excessive oil from the tank via the drain plug.

5. If the oil level is below the L mark, add

oil through filler opening (F) on top of the

tank.

Fig.

4-9

4-9

Operation

Remark:

The oil level may change as the oil tempera-

ture varies. (Refer to the following ranges.)

● Before operation: L+12.5~L+32.5

(Oil temperature: 10 - 30°C (50 - 86°F))

● During operation: higher than the mid-

mark.

(Oil temperature: 50 - 80°C (122 -176°F))

4.1.2.5 Coolant - check/refill

WARNING

The coolant is hot and the radiator is

under high pressure upon shutdown of

the engine. It is possible to be burned if

you remove the radiator cap (1) to check

coolant level at the moment. In this case,

before removing the cap (1), you have to

wait for the temperature to cool down, and

then slowly turn the cap to release internal

pressure.

1. The level of coolant must remain between

Fig. 4-10

the upper and lower limits marked on the

tank when the engine is running. If water

level is below the lower limit, it is neces-

sary to add coolant to radiator and coolant

to auxiliary tank.

2. Open the rear door to the left side of

machine and check the coolant in auxiliary

tank (2) to see whether its level is between

the marks of FULL and LOW. If the coolant

level is low, refill coolant to FULL position

through the injection opening of auxiliary

tank (2).

Fig. 4-11

3. Tighten the cap after refilling the coolant.

4. If auxiliary tank (2) is empty, the coolant

might leak. Correct the fault immediately

4-10

Operation

after inspection. If no problem is found,

check coolant level in radiator. Add coolant

to auxiliary tank (2) if its level is low.

5. If auxiliary tank (2) is dirty inside and the

level cannot be seen clearly, clean the tank

by following the steps specified in“Cooling

system - clean” on page 5-37.

4.1.2.6 Oil in engine oil pan - check/refill

WARNING

After shutting off the engine, the compo-

nents and oil are still hot, which can lead

to severe burns. Wait for the oil to cool

down before operation.

1. Open the engine's hood.

SY115C9、SY135C8/C9、SY155H

2. Take out oil dipstick (G) and wipe the oil off

Fig. 4-12

the dipstick with cloth.

3. Insert the dipstick (G) to bottom and then

pull it out.

SY135C8(M)

Fig. 4-13

4. Oil level should be between the H and

L marks on dipstick (G). Add oil through

opening (F) if oil level is below the L mark.

Fig. 4-14

4-11

Operation

5. If oil level is above H mark, the drain

valve (P) on the bottom of oil pan is to be

opened to discharge extra oil. Check oil

level again.

6. Tighten the filler cap and properly close the

engine hood if oil level is normal.

Remark:

If you need to check oil level after operation

Fig. 4-15

of the engine, shut off the engine and wait at

least for 15 minutes before checking.

If your machine is on a slope, move it to a

level ground before inspection.

For the type of engine oil used on the machine

see “Recommended Fluids” on page 5-17.

4.1.2.7 Electric wires - check

NOTICE

● If any fuse burns frequently or any wire

shows the sign of short circuit, contact

your Sany distributor to find the cause

and eliminate the trouble.

● Keep battery surface clean and check

the vent on battery cover. Flush the

cover to clean the vent if the vent is

plugged by dirt or dust.

Check whether the fuse is damaged; whether

the fuse with proper capacity is used; whether

any wire connection is off; whether wire sheath

is broken.

Check for loose terminals. Fix it if any.

Moreover, pay special attention to electric

wires when checking battery, engine, start

motor and alternator. Make sure to check for

flammable materials around battery. Immedi-

ately remove them if any.

4-12

Operation

4.1.2.8 Fuel tank - check/refuel

WARNING

● Never make fuel splash or overflow

during refueling, which can cause fire.

● Clean the fuel completely in case of

splashing. Remove the fuel if it flows

onto ground or sand.

● Fuel is flammable and dangerous. No

open fire is allowed in the vicinity of

fuel.

1. Turn the engine start switch to ON position

and check the fuel level on display (1).

Return the switch to OFF position after

checking.

Fig. 4-16

2. In case of low fuel level, unscrew the filler

cap (F) on fuel tank and add fuel to the

tank till the float level meter (G) reaches

the highest point.

● Fuel tank capacity: 240L

When the fuel tank is full, top (a) of the float

level meter (G) is positioned at about 50mm.

Fig. 4-17

4-13

Operation

3. Add fuel and press down the float level

meter (G) with the filler cap (F). Pay atten-

tion to not letting the level meter (G) be

stuck on the cover plate of filler cap (F).

Screw on the cap (F) tightly.

Remark:

Pressure of fuel tank may drop and fuel does

not flow if the vent (2) on the cap is blocked.

Clean the vent whenever necessary.

A longer travel distance is required to tighten

Fig. 4-19

the cover with lock. Make sure the cover is

turned in position before you turn the key to

lock the cover. If the key is turned when the

cover is not in position, the lock plate will press

against inner wall of filler opening and cause

damage to lock cylinder.

Be sure to have a clean O-ring seal in lock

cover. If the seal is contaminated by iron

scraps, stone pieces or other foreign bodies, it

would be damaged during tightening and im-

proper sealing of lock cover could result.

Fig. 4-20

4.1.2.9 Work lamp switch - check

Check the work lamps for normal functioning.

Check for any dirt or damage.

If any lamp does not work, the bulb may be

burned or broken circuit may be present.

Please contact Sany distributor for repair.

1. Turn the start switch to the ON position.

Fig. 4-18

2. Switch on the work lamp and check if it

lights up.

4-14

Operation

4.1.2.10 Horn - check

1. Turn the start switch to the ON position.

2. The horn sounds immediately when the

horn button is pressed. Make sure that the

horn sounds normally. In case of dead horn

or abnormal sound, please contact Sany

distributor for repair.

Fig. 4-21

4.1.3 Adjustment before operation

● It is necessary to adjust seat position be-

fore operating or after changing operator.

● Adjust the seat so as to enable operator to

easily manipulate the control levers, ped-

als and switches from the seat.

4.1.3.1 Operator seat

(A) Forward and backward adjustment

Pull the lever (1) upward, slide the seat to de-

sired position, and release the lever.

Adjustment space: 200mm (10mm for each

adjustment)

Fig. 4-22

4-15

Operation

(B) Backrest adjustment

Lift lever (2), move the backrest to an optimum

position at where operation can be easily con-

ducted, and release the lever.

Make sure the backrest does not interferes

with the cover plate of the air conditioner at

rear when adjusting the inclination of backrest.

Be careful with the control levers, which shall

not be touched by armrest.

Fig.

4-23

(C) Height adjustment

The seat can be raised by 30 mm when you

hear a "click" sound, and another 30 mm at

the second "click". The seat can be lowered to

the minimum height if you continue to raise it.

Adjustable height: 60mm (30mm for each ad-

justment)

(D) Armrest angle adjustment

Turning the plate (4) beneath armrest (3) can

adjust the angle of armrest to desired position.

The armrest can be placed vertically so that

the operator could leave the seat easily.

Adjustable angle: 40°

Fig. 4-24

4-16

Operation

(E) Adjust the seat forward and backward

as a whole

Pull the lever (5), slide the seat to desired po-

sition, and release the lever. In this case, the

operator seat moves along with both armrest

boxes and pilot hydraulic lockout control.

(F) Suspension adjustment (if equipped)

Turning the lever (6) counterclockwise will

bring you a hard suspension which is suitable

for heavy operator; turning the lever (6) clock-

wise will bring you a soft suspension which is

suitable for light operator.

Remark:

To achieve the best adjustment, adjust the

reading (kg) on dial (7) to weight of operator.

Fig. 4-26

4.1.3.2 Rear view mirrors

WARNING

The rear mirrors must be adjusted before

operation. Without proper adjustment,

a good visibility cannot be ensured and

which may lead injury.

Fig. 4-25

4-17

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