Instruction Manual

Caterpillar: Non-Confidential
Maintenance items
Daily
PM250
PM500
PM1000
PM2000
Replace the hydraulic tank return element
(upper element on the oil tank)
√
√
Replace the lubricating oil of the axles
√
√
Initially replace pilot hydraulic system oil
filter element
√
√
Check the engine shock absorber
√
Check the operation of service brake
system lines and parking brake system. If
necessary, remove and inspect the
abrasion of disc, and replace brake lines
√
Check the flexibility of steering system,
replace steering lines if necessary
√
Check the generator, starting motor,
cleanup the turbocharger
√
Clean the seals and springs of brake
booster, replace the brake oil, check the
sensitivity of each brake
√
Check the sealing of distribution valve and
power cylinder by measuring the cylinder
natural subsidence
√
Change oil tank breather (filling screen)
√
Change fuel tank breather (filling screen)
√
Change coolant and coolant filter, Clean
cooling system Replace the coolant every
two years if the service hours do not occur
first
√
Replace hydraulic oil, clean hydraulic tank
and check the suction pipe
√
Warning: Please use the spare parts approved by Caterpillar (Qingzhou) Ltd. or
Caterpillar (Qingzhou) Ltd. dealer. The use unauthorized spare parts, may cause
security problems and reduce the service life of machine.