Instruction Manual
50
Caterpillar: Non-Confidential
Maintenance items
Daily
PM250
PM500
PM1000
PM2000
Keep the battery post clean and apply
Vaseline on it to prevent acid fog from
corrosion
√
√
Change engine oil and oil filter
√
√
√
√
Clean engine cylinder head
√
√
√
√
Clean radiator fins
√
√
√
√
Clean filling screen of the fuel tank
√
√
√
√
Clean filling screen of the engine oil tank
√
√
√
√
Check the tightening torque of the engine
and transmission mounting bolts
√
√
√
√
Check work tool, front and rear frames,
stress welding seams, and retaining bolts
for cracks or loose
√
√
√
√
Check the oil level of front and rear axle
√
√
√
√
Check the engine air inlet system
√
√
√
√
Check the engine drive belt, air
conditioning compressor belt for tension
and damage
√
√
√
√
Check the operating capacity of service
brake and parking brake
√
√
√
√
Change engine oil and oil filter
√
√
√
√
Change fuel pre-filter
√
√
√
√
Check the retaining bolts of frame hinge
pin for loose
√
√
√
Check oil level of the brake booster
√
√
√
Tighten connecting bolts between frame
and front, rear axle
√
√
√
Clean the screen of the air booster
breather
√
√
√
Change fuel filter
√
√
√
Change oil tank breather element
√
√
√
Change air filter element
√
√
Adjust engine valve lash
√
√
Check the bearings of the engine tension
pulley and the fan shaft bearing case
√
√
Fasten all the retaining bolts of the battery,
clean the top of the battery
√
√
Clean fuel tank
√
√
Clean transmission, torque converter
breather
√
√
Replace the oil for the transmission, torque
converter and radiator
√
√
Replace transmission suction screen and
return screen
√
√