SANY Crawler Hydraulic Excavator SY215CLC (CUMMINS QSB6.7 engine). Shop Manual

Disassembly and Assembly

SY215C

8-132

ZX225-1006289

ZX225-1006290

9. A d j u s t t h e f r o n t w i n d o w a s s e m b l y

retainer (24).

1) Adjust and lock both sides of the retain-

er (24) so that surface (d) of stopper
(D) of front window assembly contacts
surface (c) of retainer (24) when front
window assembly is raised.

ZX225-1006288

10. Check the locking ability of front window

assembly.

1) After the adjustment from Step 6 to

Step 9 is finished, check the locking
force of left lock (16) and right lock (17).

★

Check the locking force at the
"locked" side (front of cab) and the
"unlocked" side (rear of cab).

Left lower pin:

27 – 34 N·m {2.75 – 3.47 kgf·m}

Mounting bolt:

adhesive(LT-2)

Disassembly and Assembly

SY215C

8-133

8.29 Monitor - Remove and Install

8.29.1 Removal

Disconnect

rst the cable from the nega-

tive (-) post of the battery.

1. Unscrew the three bolts (4). Remove the

mounting plate and the monitor assembly
from the bracket (3).

2. Remove the nut (1) and the gasket (2) to

separate the monitor (5) from the mounting
plate.

8.29.2 Installation

●

Installation is to be performed in the re-
verse order of removal.

ZX215-1006281

Disassembly and Assembly

SY215C

8-134

8.30 Controller AS - Remove and Install

8.30.1 Removal

Disconnect

rst the cable from the nega-

tive (-) post of the battery.

1. Remove the fuse box (1) and storage box

(2).

2. Remove rear covering (3).

3. Remove air conditioner cover (4).

4. Remove the controller wiring connectors

A1(5) and A2(6).

5. Remove the four bolts. Remove the

controller assembly (7).

8.30.2 Installation

●

Installation is to be performed in the re-
verse order of removal.

ZX215-1006283

ZXT335-1006800

Disassembly and Assembly

SY215C

8-136

2) Wiring

ZX215-1006284

BACK PANEL

POWER, GROUND AND AUDIO OUTPUT

AUDIO INPUT

RED — L. SOUND TRACK INPUT

RADIO ANTENNA

WHITE — R. SOUND TRACK INPUT

RED — ACC IGNITION

YELLOW — BATT POWER SUPPLY

BLACK — GROUND

GRAY — R. SOUND TRACK OUTPUT +

— R. SOUND TRACK OUTPUT –

WHITE — L. SOUND TRACK OUTPUT +

BLACK — L. SOUND TRACK OUTPUT –

Disassembly and Assembly

SY215C

8-137

8.31.2 Removal and installation

8.31.2.1 Removal

1. Remove the console cover.

2. Remove the radio connector CN-003F.

3. Remove the four screws and the wash-

ers in order to remove the radio and the
radio mounting brackets from the console
cover.

4. Remove the four screws and the wash-

ers in order to remove the radio from the
radio mounting brackets.

8.31.2.2 Installation

●

Installation is to be performed in the re-
verse order of removal.

●

Disconnect the power supply prior to
removal.

ZX215-1006286

Radio

Arm rest cover

Connector CN-003F Cab harness

ZX215-1006287

ZX215-1006288

Radio

Mounting bracket

Washer

Screw

Arm rest

NOTICE

Disassembly and Assembly

SY215C

8-138

8.31.3 Connector model and wiring

Raido wiring terminals

20b

R+

L+

20b

R-

L-

Harness socket terminals

Type: Deutsch DJ7072-3-21

ZX215-1006289

Disassembly and Assembly

SY215C

8-139

8.32 Battery

8.32.1 Structure

ZX215-1006290

1- Spinning post
2- Charge densiometer
3- Heat-sealing cover
4- PP casing
5- Central polar ear
6- Forged grid

7- Paste (active material)
8- "Bag-type" screen
9- Polar group
10- Liquid-gas separator
11- Central busbar

Disassembly and Assembly

SY215C

8-140

8.32.2 Removal and installation

●

Battery gas can cause explosion. No
sparks or flames are allowed near the
battery.

●

Turn the start switch to the OFF posi-
tion before removal.

●

Do not remove the charge densimeter.
Tighten the densimeter clockwise, if it
is loosened, with a suitable tool.

8.32.2.1 Removal

1. Remove the four bolts on the battery cover

and then remove the battery cover.

NOTICE

CAUTION

2. Disconnect the negative lead cable (1) of

the battery.

Disassembly and Assembly

SY215C

8-141

3. Disconnect the positive lead cable (2) and

the battery connection cable (3) in the
same manner.

8.32.2.2 Installation

●

Installation is to be performed in the re-
verse order of removal.

8.32.3 Replacement

There are two 12V batteries with ground-
ing negative (-) posts in the machine. If one
battery fails in the 24V system, it must be re-
placed with one of the same type. Batteries of
different types are probably charged at differ-
ent speeds, which may cause one of them to
fail due to overloading.

●

During installation, apply vaseline to
battery terminals in order to prevent
corrosion.

NOTICE

●

Pull up the terminal cover (4), unscrew the
bolt (5), and remove the lead wire from the
battery post.

4. Remove plate (7) and take the battery out

of the compartment.

Disassembly and Assembly

SY215C

8-142

8.33 Start Switch

8.33.1 Structure

25,24

12,11

10,9,8,7

4,3,2

ZX215-1006294

1- Housing

2- Key

3- Ring

4- Knob

5- Nut

6- Cylinder

7- Cap

8- Shield

9- Pin

10- Spring

11- Disc

12- Spring

13- Plug

14- Rotor

15- Cover

16- Spring

17- Ball

18- Spring

19- Contact SPR-B 20- Contact A

21- Seat

22- Contact SPR-A 23- Contact B

24- Terminal

25- Bolt

26- O-ring seal

27- Harness AS

28- Washer

Disassembly and Assembly

SY215C

8-143

8.33.2 Removal and installation

8.33.2.1 Removal

1. Remove the setscrew to remove the con-

sole cover.

2. Remove both setscrews in order to

remove the mounting plate and the start
switch from the console cover.

●

Disconnect the power supply of the
start switch before removal.

ZX215-1006295

Start swich

Console cover

Set screw

MAX

MIN

START

OFF

LOCK

ZX215-1006296

Mounting plate

Start switch

Set screw

Console cover

ZX215-1006297

Start switch

Mounting plate

Nut

3. Remove the nut so as to remove the

start switch from its mounting plate.

NOTICE

Disassembly and Assembly

SY215C

8-144

8.33.3 Working principle and wiring of start switch

Working principle

Wiring

ZX215-1006298

HEAT

OFF

START

(R1) (R2)

Battery

(B)

Accelerator

Position

ON/OFF

Battery

Relay (BR)

Accessories

(ACC)

Start Relay

(C)

Preheat Plug

ACC

ZX215-1006299

KEY SWITCH WIRING TERMINALS
JACKET MODEL

：

YAZAKI 7222-7464-30

HARNESS PLUG TERMINALS

JACKET MODEL

：

YAZAKI 7123-7464-30

Disassembly and Assembly

SY215C

8-145

8.34 Fuse Box

8.34.1 Removal and installation

Removal

1. Remove the cover.

2. Remove the bolts and take off the back

cover along with the fuse box.

3. Remove the bolts so as to separate the

fuse box and harness assembly from the
back cover.

ZX215-1006300

Cover

Back cover

Bolt

Fuse box cover

ZX215-1006301

Bolt

Back cover

Fuse box harness

ZX215-1006302

Disassembly and Assembly

SY215C

8-146

8.35 Wiper

8.35.1 Structure and working principle

Structure

Rotating mechanism

Wiper motor

Blade

Arm

Mounting bracket

Connector

ZX215-1006303

Disassembly and Assembly

SY215C

8-147

Working principle

ZX215-1006304

YELLOW (RESET)

GREEN (LOW SPEED)

BLUE (HIGH SPEED)

RED (POWER+)

BLACK (POWER-)

SANY Crawler Hydraulic Excavator SY215CLC (CUMMINS QSB6.7 engine). Shop Manual - page 39