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Groundsmaster 4500--D/4700--DHydraulic System Page 4 -- 80
5. Remove caps and plugs from hydraulic lines and fit-
tings. Install hydraulic lines to gear pump (seeHydraulic
Hose and Tube Installation in the General Information
section of this chapter).
6. Replace hydraulic oil filter and fill hydraulic reservoir
with new hydraulic oil.
7. Fill piston pump housing through case drain (90
o
barbed fitting) with new hydraulic oil (Fig. 65). This will
ensure that internal pump components have adequate
lubrication during initial operation.
8. Prime hydraulic pumps (see Priming Hydraulic
Pumps in this section).
9. Properly fill hydraulic system (see Charge Hydraulic
System in this section).
10.Stop engine and check for hydraulic oil leaks. Check
hydraulic reservoir oil level and adjust if necessary.