June 2004 9507EM/5
2-15
2 to 9 Tonne Dumper Instruction Manual
Maintenance
Hydraulic System Maintenance - Metal Tanks
Return Line Filter Servicing
z Drain the hydraulic system
z Unscrew the filter bowl from the filter body
z Clean the contact face of the filter body
z Smear rubber sealing ring on new filter with clean oil or
grease and screw the new filter to the filter body.
z Refill the hydraulic tank with the correct oil, see Lubrication
section.
z Start the engine and check for leaks around the filter
Use Hand Pressure to Tighten Filter - Do Not Use
ANY Mechanical Pressure filter adaptor plate
Suction Strainer Servicing
z Drain the hydraulic system, remove the hose and the four
fixing bolts from the filter adaptor plate
z Extract the adaptor plate and suction filter from the hydraulic
tank Replace or clean the suction strainer
z Clean gasket from mating faces of the adaptor plate and
hydraulic tank. Do not allow the old gasket to enter the tank.
z Refit the adaptor plate to the tank using a new gasket and
reconnect the hose.
z Refill the hydraulic tank with the correct oil, see Maintenance
section
z Start the engine and check for leaks
Draining and Refilling Hydraulic Tank
z The return line filter must be changed when performing
this operation. See Return Line Filter Servicing.
z Ensure the hydraulic oil is warm - NOT HOT!
z Place a suitable receptacle under the drain plug.
z Remove the drain plug and allow the oil to drain into the
receptacle. Thoroughly wash off all particles from the magnet
on the drain plug.
z When the oil has finished draining, replace and tighten the
plug.
z Refill the tank with clean, fresh oil.
Suction
Strainer
Adaptor Plate
Gasket
Hydraulic
Tank
Filter Body
Rubber Ring
Filter
Cartridge
Rear Right
Hand Wheel
Rear Axle
Drain Plug and
Washer
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