June 2004 9507EM/5
2-16
2 to 9 Tonne Dumper Instruction Manual
Maintenance
Hydraulic System Maintenance - Plastic Tanks
Always Position Machine On Firm, Level
Ground When Checking Fluid Levels
Checking Hydraulic Oil Level
z To check the hydraulic oil level, stop the engine and unscrew
the dipstick / breather and remove from the tank.
z Wipe all traces of oil from the dipstick with clean paper and
replace. Remove the dipstick again and check the position
of the oil level.
z There are two marks on the dipstick, never allow the oil level
to go below the Minimum mark or above the Maximum mark.
Adding Hydraulic Oil
z When adding oil, ensure a clean container and fresh, new oil
is used.
z See Lubrication section in this manual for correct grade of
hydraulic oil.
z Unscrew the return filter cap, be careful not to lose the spring
from under the cap. Pour the new oil through the return filter
body. Use the dipstick to check the level frequently, until the
oil level is at the upper mark.
Replacing Hydraulic Oil
Position machine on firm level ground.
z Before draining the hydraulic oil ensure it is warm but not hot.
z Loosen the hydraulic tank drain plug.
z Place a suitable receptacle of sufficient capacity under the
hydraulic oil tank drain plug to catch the oil, and remove the
drain plug.
z When oil has finished draining replace and tighten drain plug.
z Refill the hydraulic tank with the correct grade and quantity
of hydraulic oil. See Lubrication section.
Return Filter
When changing this filter it is recommended the tank is drained
and refilled with clean oil.
z Unscrew the cap from top of return filter, be careful not to
lose the spring.
z Pull the return filter out from the filter body.
z Clean the inside of the filter body and insert a new filter.
z Renew the rubber sealing ring and lubricate with a little
hydraulic oil.
z Position cap and spring in filter housing and fully tighten cap.
Hydraulic Tank
Drain Plug
Cap
Seal
Return
Filter
Spring
Hydraulic
Tank
Filter Housing
Dipstick &
Breather
Max
Min
Dipstick & Breather
Cap
Seal
Return
Filter
Filter
Housing
Spring
Hydraulic
Tank
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