57
1. Preventive maintenance schedule
○——Check, revise, adjust
×
——Replace
Caution
：
（
1
）
If the work place has a lot of dirt or other pollutants, time between maintenance
intervals should be decreased.
（
2
）
If problems like loss of engine power, sudden increase in truck noise, or black
smoke occur, check the truck immediately. The problems may be corrected by adjusting the
diesel nozzle pressure and fuel atomization.
Check
Item
Service required
Tool
Daily
(8 hrs)
One and a
half
Monthly
(250hrs)
3months
(500hrs)
Semi-annu
al
(1000hrs)
Annual
(2000hrs)
Engine
Visual check engine
run condition(including
noise, exhaust color)
○
○
○
○
○
Clean or replace filter
element
○
○
○
×
×
Drain the water of oil
water separator
（
diesel
engine
）
○
○
○
○
Check crankcase and
clean dirt
○
○
○
Check the valve
clearance is correct
Plug
gauge
First time
○
○
○
○
Tighten cylinder head
bolt
Torque
wrench
First time
○
○
○
○
Check cylinder
compression pressure
Pressure
gauge
Crank
case
ventilat
or
Check P. C.V valve and
pipe
blockage
or
damage
○
○
Govern
or
or
injectio
n pump
Check
max.
idling
speed
Tachome
ter
○
