Lull 944E-42 Service Manual - Manual (Page 449)

8.197 Model 644E-42/944E-42 Rev. 6/04
Hydraulic System
5. Start the engine and run at approximately one-third
to one-half throttle for about one minute without
moving the vehicle or operating any hydraulic
functions.
6. Inspect the pilot select valve for leaks and check the
level of the hydraulic fluid in the reservoir. Shut the
engine OFF.
Note: Check for leaks and repair as required before
continuing. Add hydraulic fluid to the reservoir as
needed.
7. Wipe up any hydraulic fluid spillage in, on, near and
around the vehicle, work area and tools.
8. Reinstall the access plate (14) to the cab floor.
Secure in place with the capscrews (15). Torque the
capscrews to 18 lb-ft (25 Nm).
d. Auxiliary Hydraulic Pressure Release Valve Test
Conduct a pressure check of the auxiliary hydraulic
pressure release valve circuit. Refer to Section 8.7,
“Hydraulic System Testing.”
WARNING:
Hydraulic oil leaking under
pressure can penetrate the skin and cause
severe personal injury. DO NOT use your hand
or any part of your body to check for hydraulic
leaks. When checking for hydraulic leaks, wear
safety glasses and gloves to help provide
protection from spraying hydraulic oil. Use a
piece of cardboard or paper to search for
leaks.
MU3770
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15