Service manual

69W3D1X
82
Disassembling the gear pump
1. Remove the manual valve
1
and gear
pump
2
.
2. Remove the relief valve bracket
3
, then
the relief valve seal
4
and ball
5
.
3. Remove the bracket
6
, then the balls
7
.
4. Remove the gear pump cover
8
, then
the shuttle pistons
9
and balls
0
.
5. Remove the drive gear
A
and driven
gear
B
.
Checking the valves
1. Check the operation of the check valve
a
of the trim cylinder end screw and
check the valve for dirt or residue. Clean
if necessary.
2. Check the operation of the tilt piston
absorber valve and check for dirt or resi-
due. Clean if necessary.
3. Check the up-relief valve and down-relief
valve for dirt or residue. Clean if neces-
sary.
Power trim and tilt unit