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UD Trucks. Owner’s Manual (2011-2013) - page 11

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VEHICLE SERVICE AND MAINTENANCE

UD2300

: Lubricate with a grease gun.

: Apply grease manually with a stick. Do not apply with finger or hand.

RL

: Lubrication points located on both left and right sides of vehicle.

UD2600

x 2

: Number of grease nipples or points.

*

: Refer to enlarged view.

11 - 17

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VEHICLE SERVICE AND MAINTENANCE

UD3300

UD3300

11 - 18

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VEHICLE SERVICE AND MAINTENANCE

CAB

Opening the front lid

1.Pull the lever located near the

Opening and closing the front lid

underside of the left front pillar to

release the front lid lock.

CAUTION

z Crush hazard. Turn off wipers

before servicing.

z Before opening the front lid,

set the wiper arms to their nor-

mal positions. If the front lid is

3.When opening the front lid, be sure

opened with the wiper arms

to set the lever into the hole that is

tilted forward, the front lid will

contact the wiper arms. This

indicated with the mark located on

could damage the wiper arms

the front lid.

and front lid.

2.Disengage the front lid hook. Push

z

Before driving, make sure the

up the front lid and secure it with

front lid is securely locked.

the rod.

11 - 20

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VEHICLE SERVICE AND MAINTENANCE

Closing the front lid

Tilting the cab

1.Put away the rod.

Your UD Trucks vehicle provides

2.Lower the front lid slowly.

easy access for routine service and

3.Push down the front lid until it

maintenance. Many inspection and

clicks into place.

maintenance procedures can be per-

4.Make sure that the front lid is

formed without tilting the cab. For

locked.

those that require tilting, the cab of

your UD Trucks vehicle can be lifted

with one person. The torsional spring

WARNING

lifting system raises the cab auto-

matically after it is released with little

z

When opening the front lid, be

or no upward pressure from the

1.Stop the vehicle on a level ground.

sure to set the lever into the

operator.

hole that is indicated with the

2.Shift the transmission to the neu-

mark located on the front lid.

Before tilting the cab

tral position and apply the parking

If the lever is placed on other

Before tilting the cab indoors, make

brake.

locations, the lever may disen-

sure that there is sufficient clearance

3.Make sure the engine is not run-

gage and the front lid may then

above the cab (height clearance; H)

ning.

close. This may cause an

and in front of the cab

(advance

4.Chock the wheels as necessary.

injury.

clearance; F). The vehicle requires

5.Remove loose or heavy articles

minimum clearances of 13.1 ft (4 m)

from the cab.

in height and 4.9 ft (1.5 m) forward of

6.Close the cab doors.

CAUTION

the cab.

z

To prevent possible damage,

before washing inside the front

lid, close the heater air inlet to

protect it from water.

11 - 21

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VEHICLE SERVICE AND MAINTENANCE

Tilting the cab

cab frame. The torsional springs

will cause the cab to raise slightly.

WARNING

z Do not stand in front of or

under the cab while tilting or

lowering the cab. Put the

safety pin into the pin hole

immediately after tilting to

avoid accidental lowering of

the cab.

4.Tilt the cab all the way forward until

the tilt strut is straight and insert

1.Remove the lock pin from the tilt

3.While holding the grip (located on

the safety pin into the pin hole on

lock lever.

the lower left side of the cab) on

the side of the tilt strut.

the cab, pull the sub hook lever out

all the way. When the sub hook

lever is fully extended, the cab will

float up. If the cab does not float

up, push the cab body up manu-

ally.

2.Pull the tilt lock lever out all the

way. This releases the main hook

which holds the cab body to the

11 - 22

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VEHICLE SERVICE AND MAINTENANCE

Lower the cab

3.While supporting the cab with your

WARNING

hand on the grip, under the left

1.Check that no cloth, gloves, or

side of the cab, pull the tilt strut

To avoid the chance of serious

tools are left on or around the

injury and/or property damage

rearward and lower the cab.

engine, the exhaust manifold or

when working on engine with the

other hot surfaces.

cab tilted:

z

Make sure that the parking

CAUTION

brake is firmly applied, the

wheels are blocked, and the

z Tools left in the engine com-

transmission shift lever is in N

partment can damage the vehi-

(Neutral),

before

starting

cle.

engine.

z Flammable materials left on or

z

Be careful not to touch the

near hot surfaces can be a fire

transmission control cable

hazard.

when the engine is running.

Otherwise, the transmission

2.Remove the safety pin from the pin

gears could engage and the

hole and store it in the storage

WARNING

vehicle could move suddenly.

hole on the tilt strut.

z

Keep yourself, your clothing

z When the tilt strut is

pulled

and your tools away from mov-

rearward, the weight of the cab

ing parts such as the cooling

may cause it to lower. Maintain

fan and drive belts when the

your secure grip on the grip

engine is running.

and lower the cab in a con-

trolled manner.

NOTE:

z Cover the air cleaner opening to

4.Lower the cab all the way to its

prevent dust or rainwater from

normal position.

entering when leaving the cab

5.Check to be sure that the main

tilted for a long time.

hook on the rear center portion of

11 - 23

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VEHICLE SERVICE AND MAINTENANCE

the cab firmly engages the main

ENGINE COOLING SYSTEM

WARNING

hook pin, located at the center of

the cab mounting bracket.

z

If the cab has not been com-

pletely locked, when the igni-

The engine cooling system was filled

tion key is turned ON, the

at the factory with UDXtra Long Life

warning light will come on and

Diesel Engine Antifreeze/Coolant

the warning buzzer will sound

with a

50/50 antifreeze/water mix-

at the same time. Relock the

ture. UDXtra Long Life Diesel Engine

cab.

Antifreeze/Coolant contains rust and

z

Do not operate the vehicle

corrosion inhibitors. UDXtra Long

without engaging the lock pin

Life Diesel Engine Antifreeze/Cool-

in the tilt lock lever. If the lock

ant provides protection against

pin cannot be inserted, then

freezing to approximately -31°F (-

the main hook is not engaged

35°C). UDXtra Long Life Diesel

with the main hook pin. If not

Engine Antifreeze/Coolant must

properly engaged, then the cab

remain in the system within 4 years

6.Replace the lock pin in the tilt lock

could rise accidentally while

or

320,000 miles (500,000 km) to

lever.

the vehicle is moving which

provide protection against freezing,

could cause loss of vehicle

boiling, rust and corrosion. Do not

control and serious injury.

use additional cooling system addi-

tives or inhibitors. They may interfere

with the proper operation of the cool-

ing system.

Check the engine, radiator, hoses

and pipes daily. Repair any leaks.

Replace swollen and worn hoses

and tighten loose clamps.

Check the ENGINE COOLANT

LEVEL warning light daily. If the

warning light comes on, follow the

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VEHICLE SERVICE AND MAINTENANCE

instructions in the “INSTRUMENTS

AND CONTROLS” of this manual.

WARNING

z

Never drink Long Life Coolant,

Checking engine coolant level

as it is toxic.

If you drink it by mistake,

immediately induce vomiting

and then consult with your

WARNING

doctor.

To avoid serious injury from hot

z

If the coolant gets into the eye,

immediately rinse it away with

coolant or steam release:

fresh water and take medical

z

Do not open the radiator filler

treatment promptly.

cap while the engine cooling

NOTE:

z

Wash the coolant off with

system is hot; wait until it

z Coolant will automatically be

clean water and then with soap

cools.

supplied from the reservoir tank

immediately when the coolant

z

Be extremely careful when

gets on to your skin or cloth.

to the radiator. Do not remove

opening the radiator filler cap.

z

Tighten the coolant container

the radiator filler cap.

Place a thick cloth on the cap

cap and store it out of the

and slowly loosen it to allow a

reach of children.

Long Life Coolant

reduction in pressure in the

For the coolant, use UDXtra Long

cooling system.

Open the front lid.

Life Diesel Engine Antifreeze/Cool-

Check the engine coolant level daily

ant that has been diluted 50% year

only when the engine is cool. Check

round. The LLC has an additive for

the coolant level in the coolant reser-

rust prevention and anti-freezing. It

voir tank located behind the front lid.

is not necessary to add commercially

The coolant level should be between

available antifreeze or rustproof

the MAX and MIN lines. If the cool-

agent.

ant level is below the MIN line, add

the proper coolant solution to the

Precautions for use of LLC

MAX line.

z The service period of LLC is 4

years or

320,000 miles

11 - 25

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VEHICLE SERVICE AND MAINTENANCE

When mud, debris, etc., becomes

Cooling fan and fan shroud

CAUTION

attached to the front of the core, the

Check the cooling fan and fan

z Do not direct pressurized air to

passage of cooling air is impaired, so

shroud for proper installation, cracks

the front surface of the radiator

it is recommended that this material

or damage. Replace or repair faulty

(that is, with the air hose

should be removed completely by

parts or damage.

pointed toward the engine).

washing with a non corrosive deter-

Doing so will force insects, dirt

gent and water solution. (Refer to

and other debris into the radia-

instructions on the detergent con-

tor core and possibly cause

tainer.)

engine overheating.

Deformed fins also can impair cool-

ing, and should be repaired.

Clean charge air cooler body

Clean the inside by blowing with air

when changing charge air cooler

hoses.

CAUTION

Precautions when washing near

the alternator.

z Using a moist alternator brush

may shorten the life of the

alternator. Use an alternator

that has been sufficiently dried

by using an item such as an

air-blower.

The charge air cooler is used to cool

the overheated intake air charged by

NOTE:

the turbocharger, and is installed at

z Do not use water to clean the

the front of the radiator.

inside of the charge air cooler

body. Using water will impair

cooling due to corrosion.

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VEHICLE SERVICE AND MAINTENANCE

Changing coolant

WARNING

z

To prevent hand injury, never

WARNING

get your hand near the fan

To avoid serious injury from hot

when the engine is running. If

coolant or steam release:

vehicle has an automatic fan

z

Do not open the radiator filler

clutch, the fan may slow when

cap and drain cocks while the

the coolant is cool, but it can

engine cooling system is hot;

still cause hand injury.

wait until it cools.

z

Be extremely careful when

opening the radiator filler cap.

CAUTION

Place a thick cloth on the cap

z

Do not modify the crankshaft

and slowly loosen to allow a

or fan pulleys to increase the

reduction in pressure in the

rated speed of the engine or

cooling system.

fan. Doing so may cause the

z

Be careful not to spill coolant

cooling fan blades to break

over the hot exhaust system

possibly resulting in injury.

which can cause fire, serious

Also, such modification consti-

injury and/or property damage.

tutes tampering with the noise

control system.

Every

4 years or

320,000 miles

(500,000 km) the UDXtra Long Life

Diesel Engine Antifreeze/Coolant or

its equivalent in the cooling system

should be drained and thoroughly

flushed.

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VEHICLE SERVICE AND MAINTENANCE

WARNING

z

Never drink Long Life Coolant,

as it is toxic.

If you drink it by mistake,

immediately induce vomiting

and then consult with your

doctor.

z

If the coolant gets into the eye,

immediately rinse it away with

fresh water and take medical

treatment promptly.

Unless the cooling system is treated

z

Wash the coolant off with

with corrosion preventive, rust and

clean water and then with soap

scale will eventually clog up pas-

immediately when the coolant

gets on to your skin or cloth.

sages in the radiator and water jack-

z

Tighten the coolant container

ets. This condition is aggravated in

cap and store it out of the

some localities by formation of insol-

reach of children.

uble salts from the water used.

CAUTION

To clean the cooling system

1.Open the radiator filler cap.

z Do not use chemical mixtures

2.Place containers under the radia-

to stop radiator leaks except in

tor drain cock and the cylinder

an emergency. Never use such

block drain cock.

solutions in place of needed

radiator repair.

Except for Allison 3000 series

specification vehicles

11 - 29

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VEHICLE SERVICE AND MAINTENANCE

4.Drain all coolant solution from the

Start the engine and run it at a

system into the containers.

moderate speed in the same man-

For Allison 3000 series specifica-

ner as described in step 6.

tion vehicles, drain coolant from

9.Stop the engine. Open the drain

two drain cocks: one is located on

cocks and drain the rinsing water.

the oil cooler coolant hose and the

10.Repeat the rinsing procedure 2 or

other is located under the radiator.

3 times until the discharged rinsing

5.Shut the drain cocks. Fill the cool-

water appears clean.

ing system with a proper mixture of

11.Close the drain cocks.

water and a good quality cooling

To fill up the cooling system (With

Allison 3000 series specification

system detergent.

(Refer to the

coolant)

vehicles

additional instructions on the

Use the following refill procedure to

detergent container)

remove air from the system and pro-

3.Open the radiator drain cock and

6.Start the engine and run it at a high

vide proper engine coolant level.

the cylinder block drain cock.

idling speed until the indicator

1.Fill the radiator slowly with the

NOTE:

points to the middle region of the

proper coolant solution up to the

z The radiator drain cock has a

engine

coolant

temperature

filler opening. Add coolant solution

specified turning direction and

up to the MAX level of the coolant

gauge. Maintaining the above

must be turned to the position

reservoir tank. Capacities are

engine coolant temperature with

directly below the mark when

the thermostat open, run the

shown below.

draining water.

engine and allow the detergent to

z Drain water by turning the radia-

circulate throughout the cooling

tor drain cock round approxi-

system for at least 15 minutes.

mately 7 to 8 times.

Be careful not turn the radiator

7.Stop the engine. Open the drain

drain cock round more than 9

cocks and completely drain the

times. Doing so may cause the

detergent from the system.

drain cock to fall off.

8.Shut the drain cocks and fill the

cooling system with plain water.

11 - 30

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VEHICLE SERVICE AND MAINTENANCE

vided maximum engine life when

is not fully defined until both the API

used together with the recom-

quality classification and the viscos-

mended oil and oil filter change inter-

ity grade are specified.

vals.

Choose the viscosity grade for the

UDXtra (or VDS-4) diesel engine oil

typical ambient air temperature

is mandatory for use in all

2010

(AAT) for the application.

emission compliant engine.

Multi grade oils have a broad range

UDXtra (or VDS-4) oils exceed the

that suit operation in changing tem-

API CJ-4.

perature.

For a complete list of approved oils,

The standard oil weight for UD

see your UD TRUCKS dealer.

TRUCKS engines is 10W/30.

Also, refer to Technical Bulletin EN-

UD TRUCKS recommends the vis-

42, Approved Oils, UDNA.

cosities shown in the viscosity/ tem-

CAUTION

perature table for UD TRUCKS

NOTE:

z

Use of diesel fuel other than

engines.

z UD Trucks recommends using

ULSD (Ultra Low Sulfur Diesel

the engine oil designated above

NOTE:

fuel) and engines oils other

for the proper function of the

z

Select the oil viscosity accord-

than UDXtra

(or VDS-4), will

DPF system, and also use ultra

ing to the next diagram, basing

adversely affect performance,

low sulfur diesel fuel (0.0015%

your selection on the maximum

efficiency and durability of the

[15 ppm] by weight) only and

and the minimum ambient air

Aftertreatment DPF system

low-ash fuel must be less than

temperatures.

and the engine may not run at

1% in weight.

all.

z

Manufacture’s warranties can

Oil viscosity and relation between

also be rendered void due to

viscosity and temperature:

usage of improper fuel.

The viscosity grade defines the

Unapproved fuel additives

thickness of the oil. The oil must be

(including engine oil) are NOT

thin enough at low temperatures for

permitted.

easy cold starts and thick enough to

protect at high temperatures. An oil

11 - 32

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VEHICLE SERVICE AND MAINTENANCE

marks on the engine oil level

CAUTION

gauge.

z Do not drive the vehicle with

the engine oil level below the

LOW mark on the engine oil

level gauge. An insufficient

quantity of engine oil can

cause engine seizure.

z Use care to keep dirt and

debris from entering the crank-

case through the oil filler port

when adding engine oil.

WARNING

Changing engine oil

3.If oil level is low, add engine oil of

z

Be careful not to spill oil. Do

not add oil if engine or exhaust

the proper viscosity for the antici-

system are hot. Spilling oil on

pated temperature range during

WARNING

hot parts can result in a fire.

the service interval through the oil

z

To avoid serious injury from

filler port located on the valve

4.Change the oil if it shows signs of

hot engine and engine oil, only

cover on top of the engine. Do not

contamination such as discolor-

change oil after engine has

add oil above the MAX mark on

cooled.

ation and changes in oil texture.

the engine oil level gauge.

See the instructions under the cap-

tion "Changing engine oil"on page

CAUTION

11-34.

z

Try to avoid direct skin contact

5.After adding oil, wait at least

10

with used oil. If skin contact is

minutes, then recheck the oil level.

made, wash thoroughly with

6.After checking, securely insert the

soap or hand cleaner as soon

engine oil level gauge.

as possible.

11 - 34

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VEHICLE SERVICE AND MAINTENANCE

Engine oil capacity

plug in the drain hole and tighten

the drain plug.

Replace washer with new ones for

US

Liter

measure

each remove the drain plug.

With oil filter

18.4 qt

17.4

Tightening torque:

Without

40 to 44 ft·lbf (54 to 59 N·m)

18.0 qt

17.0

oil filter

(5.5 to 6.0 kgf·m)

5.Replace the oil filter. Refer to "Oil

The engine oil change interval varies

filter"on page 11-36 for the instruc-

with the type of engine oil used and

tions.

vehicle driving conditions. If the vehi-

6.Add engine oil through the oil filler

cle is driven for extended periods of

3.Place a container under the drain

port.

time at high or low speeds, in dusty

areas, with frequent idling or carrying

plug in the bottom of the oil pan.

7.After refilling the engine oil, wait for

heavy loads, engine oil will deterio-

Remove the plug and drain the oil

at least 10 minutes, then using the

rate faster and require more frequent

into the container.

oil level gauge (dipstick) check the

changing.

oil level. If the engine oil level is

As the temperature rises, the engine

low, add additional oil. Wait

10

oil’s viscosity decreases, reducing its

minutes, then recheck the oil level.

lubricating effect. To choose an oil

Repeat this procedure until the

with the proper viscosity for the

engine oil reading on the engine oil

anticipated ambient air temperature

level gauge is between MAX and

range, refer to "Oil viscosity and rela-

MIN.

tion between viscosity and tempera-

ture:"on page 11-32.

To change the engine oil

1.Park the vehicle on level ground.

2.Remove the oil filler cap.

4.When all the oil has been drained

from the oil pan, replace the drain

11 - 35

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VEHICLE SERVICE AND MAINTENANCE

Oil filter

To replace the filter

2.The oil will drain within approxi-

mately 5 minutes and the cartridge

can then be removed.

CAUTION

CAUTION

3.Tighten the drain plug.

Tightening torque:

z Do not handle hot oil filter

z Just after driving, the engine

without hand protection. Fail-

oil is still hot and can burn

9.4 to 16.7 ft·lbf (12.8 to 22.6 N·m)

ure to do so may result in burn

you. Before changing or

(1.3 to 2.3 kgf·m)

injury.

checking the oil, let it cool

4.Place a new cartridge, turn it 3/4 to

down until you can touch the

1 time after the seal contacts.

oil without getting burned.

NOTE:

NOTE:

z Use genuine UD Trucks filter or

z Make sure the oil drain plug is

As oil is full in the cartridge after an

equivalent in quality and design.

tightened to the listed specifica-

engine stops, it is needed to drain

Use of an inferior filter could

tion prior to the installation of

the oil. The following is an outline of

diminish operation of the engine

the new cartridge.

the procedure.

and emission controls.

z Always replace the oil filter at

5.Add approximately of engine oil

1.Remove the air draining plug, and

the same time that the engine oil

and install the filler cap tightly.

loosen the drain plug until it spins

is replaced.

free.

US

Liter

measure

With oil filter

18.4 qt

17.4

Without

18.0 qt

17.0

oil filter

6.Start the engine and check for oil

leaks.

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