Isuzu N-Series. Service manual — part 1285
Wheel replacement:
1. Loosen the wheel nuts with a wheel nut spanner.
2. Jack up the wheel, screw off the wheel nuts, take down the wheel, and then
install the spare wheel.
98
OWNER爷S MANUAL
JAC High end Light Trucks
3. Place and tighten the wheel nuts for the moment, and lower down the wheel
onto the ground.
4. Tighten the wheel nuts with a wheel nut spanner in the order as shown in the
figure below. Now securely tighten the nuts with the tightening torques below.
Tightening torques for wheel nuts (Nm)
Front wheels: 137耀196
Rear wheels: 343耀441
99
Repair and maintenance
101
To ensure safety and economic driving袁 regular routine repair and maintenance should be made accord鄄
ing to the items specified in this chapter.
Schedule of regular routine maintenance
To ensure driving safety and the best economic driving, regular check and maintenance should be entrusted to specified
JAC service stations according to the schedule of regular maintenance.
Maintenance job number
I院check and repair or replace as needed
A院adjustment
R院replacement or adjustment
T院tighten as per the specified torques
L院lubrication
The daily checking items shall be checked together with the checking of the following items.
The symbol 野*冶 means the following:
More frequent maintenance shall be done under harsh driving conditions. Please refer to the "Schedule of regular mainte鄄
nance under adverse driving conditions".
102
OWNER爷S MANUAL
JAC High end Light Trucks
Technical maintenance periods
1000km
渊per reading in odometer冤
3
6
9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57
Engine oil
R
R
R
R
R
R R
R
R
R
R
R
R
R
R
R
R
R
R
Technical maintenance periods
1000km
渊per reading in odometer冤
3
6
9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57
Engine oil
R R
R R
R R
R
R R
R
R R R
R
R R
R
R R
Schedule of regular maintenance under adverse driving conditions
Schedule of engine maintenance under general conditions
R院Change or replace
103
Schedule of regular maintenance
Period: 伊1000km 渊calculated per the readings from the odometer or
months, and do the maintenance at the time whichever comes first) or
months
1
3
6
9
12 15 18 21 24 27 30 33 36
-
1
2
3
4
5
6
7
8
9 10 11 12
Model HFC4DA1 series engine
Engine oil
Engine oil filter element
R
-
-
-
R
-
-
-
R
-
-
-
R
Air filter element
-
-
-
I
-
-
I
-
-
I
-
-
R
Fuel filter
-
-
I
-
I
-
R
-
I
-
I
-
R
Idling and acceleration functions
-
I
I
I
I
I
I
I
I
I
I
I
I
Engine oil leakage and contamination
-
I
I
I
I
I
I
I
I
I
I
I
I
Fuel leakage
I
I
I
I
I
I
I
I
I
I
I
I
I
Valve gap
A
-
-
-
-
-
-
-
-
-
-
-
A
fuel pump function
-
-
-
-
-
-
-
-
-
-
-
-
I
Fuel tank
-
-
-
-
-
-
-
-
-
-
-
-
I
Oil/water separator
-
I
I
I
I
I
I
I
I
I
I
I
I
Spraying state under oil spray pressure
-
-
-
-
-
-
I
-
-
-
-
-
I
Oil injection timing
-
-
-
I
-
-
I
-
-
I
-
-
I
Contraction pressure
-
-
-
-
-
-
-
-
-
-
-
-
I
Cooling system leakage
-
I
I
I
I
I
I
I
I
I
I
I
I
Tension and damage of the drive belt
I
I
I
I
I
I
I
I
I
I
I
I
I
Engine control mechanism
-
L
L
L
L
L
L
L
L
L
L
L
L
Damage and slack of exhaust pipe and its fittings
-
-
-
I
-
-
I
-
-
I
-
-
I
Clutch
Clutch fluid and brake fluid
-
-
-
-
-
-
-
-
-
-
-
-
R
Clutch function
-
I
I
I
I
I
I
I
I
I
I
I
I
Travel and free travel of clutch pedal
-
I
I
I
I
I
I
I
I
I
I
I
I
Transmission
Transmission oil
R
-
-
-
-
-
-
-
R
-
-
-
-
Oil leakage
I
I
I
I
I
I
I
I
I
I
I
I
I
Slack of gear control mechanism
-
-
-
-
-
-
-
-
-
-
-
-
I
Gear control mechanism
-
L
L
L
L
L
L
L
L
L
L
L
L
104
OWNER爷S MANUAL
JAC High end Light Trucks
Period: 伊1000 km (calculated per readings from the odometer or
months, and do the maintenance at the time whichever comes first) or
the months
1
3
6
9
12 15 18 21 24 27 30 33 36
-
1
2
3
4
5
6
7
8
9 10 11 12
Propeller shaft:
Universal joint and slip cap
-
-
-
-
-
-
L
-
-
-
-
-
L
Slack connecting parts
-
-
-
I
-
-
I
-
-
I
-
-
I
Over-abrasion of the spline
-
-
-
-
-
-
-
-
-
-
-
-
I
Rear axle:
Differential oil
R
-
-
-
-
-
-
-
R
-
-
-
-
Oil leakage
I
I
I
I
I
I
I
I
I
I
I
I
I
Deformation and damage of the semi-axle at the rear axle
-
-
-
-
-
-
-
-
-
-
-
-
I
Deformation and damage of the rear axle housing
-
-
-
-
-
-
-
-
-
-
-
-
I
Front axle:
Deformation and damage of the front axle
-
-
-
-
-
-
-
-
-
-
-
-
I
Steering system:
Steering gear oil
-
-
-
-
-
-
-
I
-
-
-
-
I
Leakage of the steering system
-
I
I
I
I
I
I
I
I
I
I
I
I
Slack and damage of the steering system
-
-
-
I
-
-
I
-
-
I
-
-
I
Slack of universal joint and front axle accessories
-
-
-
I
-
-
I
-
-
I
-
-
I
Steering wheel windage
-
I
I
I
I
I
I
I
I
I
I
I
I
Steering wheel function
-
I
I
I
I
I
I
I
I
I
I
I
I
Steering mechanism rods
Over gap of the bearings
-
-
-
-
-
-
-
-
-
-
-
-
I
Slack and damage of steering mechanism
-
-
-
-
-
-
-
-
-
-
-
-
I
Left and right turning radius
-
-
-
-
-
-
-
-
-
-
-
-
I
Front wheel adjustment
Braking system:
Braking fluid and clutch fluid
-
-
-
-
-
-
-
-
-
-
-
-
R
Leakage from braking system
-
I
I
I
I
I
I
I
I
I
I
I
I
Service brake function
-
I
I
I
I
I
I
I
I
I
I
I
I
Friction lining gap
-
I
I
I
I
I
I
I
I
I
I
I
I
Abrasion of friction lining and brake drum
-
-
-
I
-
-
I
-
-
I
-
-
I
Brake pedal travel and free travel
I
I
I
I
I
I
I
I
I
I
I
I
I
-
L
L
L
L
L
L
L
L
L
L
L
L
-
-
-
-
-
-
-
-
-
-
-
-
I
Schedule of regular maintenance
105
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