SRT55D Off-Highway Truck
8-21
Safety, Operation and Maintenance Manual
supplement:
8. Rims
Check fasteners by torque.....……………………………………...................………………..…
9. Hydraulic system
Hoisting and cooling hydraulic system
Check hoisting system oil level, , rell if required.........................................................………
Replace the breath valve for the steering hydraulic tank in period..............................………
Note
: replace new lter for the system if it working time over 500hrs.
Replace the breath valve for the hoisting hydraulic tank in period..............................………
Note
: replace new lter for the system if it working time over 500hrs.
Replace new lter for the return system in period…...................................................………
Note
: replace oil return lter of hoisting system if it working time over 500hrs.
Replace the oil suction lter of hoisting system in period..............................................………
Note
: replace new lter for the system if it working time over 2000hrs(The rst replace at 1000
hrs).
Replace the oil suction lter of cooling system in period..............................................………
Note
: replace new lter for the system if it working time over 2000hrs(The rst replace at 1000
hrs).
Replace the Pipeline lter of cooling system in period..............................................………
Note
: replace new lter for the system if it working time over 500hrs.
Check leakages for hydraulic system and its components , check worn and damaged for hoses.
…....................................................................................................................................……
Steering and braking hydraulic system
Check status for steering control unit………….........................…….…..………………………
Shutdown the engine and rotate the wheel to check the ability of steering system in emergency co
ndition…………………………………………………………………………………………………
Check status for foot brake system and parking brake system.…….…….……………………
Check steering system oil level, rell if required.……………………..................................…
Replace the oil return lter of steering system in period.………......………….………………
Note
: replace new lter for the system if it working time over 500hrs.
Replace the oil return lter of steering system in period.………......………….………………
Note
: replace new lter for the system if it working time over 2000hrs(The rst replace at 1000
hrs).
Replace the Pipeline lter of steering system in period.………......………….…………………
Note
: replace new lter for the system if it working time over 500hrs.
Replace the lter which mounted inside of the rear braking valve group in period……………
Note
: replace new lter for the system if it working time over 500hrs.
Change oil for the tank and clean the whole tank and accessories....................................….
Check the pressure for the system………………………………………….……………..………
Check the pressure for the steering system……………………………….……………..………
Check the pressure for the front breaking system………………..……….……………..………
Caution:
Replace all of o–rings for hoist steering, brake and cooling system if maximum
adjustments as required for ensure systems with high performance and safety above.
Lubrication and Servicing
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