Page 34

HYDRAULIC/HYDROSTATIC SYSTEM (Cont’d)

A

Replacing Hydraulic Fluid See the SERVICE SCHEDULE Page 1–3, for the service interval.

1 CD–12250

The fluid must also be replaced if it becomes contaminated or after major repairs. Remove the reservoir fill cap (Item 1) [A]. NOTE: Be sure the rubber gasket is installed on the fill cap [A]. Raise the operator cab. (See Raising The Operator Cab Page 1–9.)

P–10597

Disconnect the hose (Item 1) [B] from the case drain filter located on the reservoir. Use a plug and cap on the filter and case drain hose to prevent leakage.

B

Disconnect the hose (Item 1) [C] from the case drain filter located on the left drive motor. Use a plug and cap on the filter and case drain hose to prevent leakage.

2

Remove the case drain filters (Item 2) [B] & [C] and drain the fluid into a container. Replace the hydraulic/hydrostatic filter element. (See Page 1–23.) Replace both hydrostatic motor case drain filters (Item 2) [B] & [C].

1

When all the fluid is removed from the reservoir, reconnect the hose to case drain filter on the reservoir.

P–10603

C

Add the correct fluid to the reservoir until the fluid level is between the marks on the dipstick. DO NOT fill above the top mark on the dipstick.

2

Hydraulic fluid escaping under pressure can have sufficient force to enter a person’s body by penetrating the skin and cause serious injury and possibly death if proper medical treatment by a physician familiar with this injury is not received immediately.

1 P–10602

W–2145–0290

Always clean up spilled fuel or oil. Keep heat, flames, sparks or lighted tobacco away from fuel and oil. Failure to use care around combustibles can cause explosion or fire which can result in injury or death. W–2103–1285

Lower the operator cab. Start the engine and operate the loader hydraulic controls. Stop the engine and check for leaks. Check the fluid level in the reservoir and add as needed.

Revised Jan. 99

–1–24–

773 BICS Loader Service Manual

Bobcat 773 skid steer loader service repair manual sn 509635001 & above  
Bobcat 773 skid steer loader service repair manual sn 509635001 & above  
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