Yamaha F100B - Disassembling the Gear Pump; Checking the Valves

BRKT
Bracket unit
7-83
60C5D11
Disassembling the gear pump
1. Remove the gear pump
1
.
2. Remove the relief valve seat
2
and relief
valve seal
3
.
3. Remove the manual valve
4
and manual
valve seat
5
.
4. Remove the main valves
6
and shuttle
piston
7
.
5. Remove the main valve
8
and relief
valve seat
9
.
Checking the valves
1. Check the operation of the check valve
a
of the trim cylinder end screw and the
valve for dirt or residue. Clean if neces-
sary.
2. Check the operation of the trim piston
absorber valves
1
and tilt piston
absorber valves
2
, and the valves for
dirt or residue. Clean if necessary.
S60C7780
S60C7785
S60C7790
S60C7815