Template Name: OML_2_col Template Date: 1994_04_22
0-00000 Alt= to hide template information Alt+ to display template information
844/642 Telehandler
HYDRAULICS
STEP 14
STEP 16
G0805006
G0805071
Shut off th e e ngine. Remove th e cap fro m the counterbalance valve on the lift cylinder and loosen the lo ck nu t (1 ). Tur n t he a dju sting s crew (2 ) clo ckwi se to d ecre ase th e pr essure an d counterclockwise to increase the pressure.
Star t the engine and lower the boom until the lift cylinders are at the end of their stroke. Shut off the engine.
STEP 17
1 2
2
1 G0805009
NOTE: The pressure will change approximately 100 psi (6.9 bar) for every 1/4 turn of the adjusting screw (2).
G0805020
Remove the pressure gauge from the lift cylinder. Install the inlet hose (1) of an in-line flowmeter to the left hose and the outlet hose (2) of the flowmeter to the cylinder LOWER port.
H o l d t h e a d ju s t in g s c r ew f r o m t u r n i n g w h il e tightening the jam nut.
STEP 15 Repeat Steps 10, 13 and 14 as necessary. If the adjusting screw does not change the pressure, replace the load check valve.
PRINTED IN U.S.A.
601-16
913250
