Template Name: OML_2_col Template Date: 1994_04_22
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844/642 Telehandler
HYDRAULICS
FRAME LEVELING COUNTERBALANCE VALVE QUICK TEST
STEP 73
WARNING To perform any frame leveling tests, the park brake must be OFF. Park the unit on level ground and place blocks in front of and behind both rear wheels. G0505046
Star t the engine and run at 1000 RPM. Hold the frame leveling joystick in the TILT RIGHT or TILT LEFT position. The pressure gauge should read 1500 psi (103 bar) as the frame is tilting.
STEP 72
If the pressure is less than 1500 psi (103 bar) proceed to Step 74. If the pressure is more than 1500 psi (103 bar) proceed to Step 78 (Tilt Right) or Step 83 (Tilt Left).
STEP 74
G0805055
Install a 5000 psi (345 bar) pressure gauge and hose on the MP test port of the flow divider. NOTE: The hose must be long enough to observe the pressure gauge from inside the cab or standing clear of the forklift.
G0505046
Hold the joystick in the TILT RIGHT or TILT LEFT Position until the frame leveling cylinder reaches the end of its stroke. The pressure gauge should read 2500 psi (172 bar). If the pressure is less than 2500 psi (172 bar) go to the Frame Leveling Cylinder Direct Test. If the pressure is 2500 psi (172 bar) proceed to Step 76.
STEP 75 Repeat Steps 72 and 73 in the opposite direction.
PRINTED IN U.S.A.
601-32
913250
