BRKT
Bracket unit
7-39
60C5D11
Disassembling the gear pump
1.
Remove the main valves
1
.
WARNING
Never look into the pump housing open-
ing because the main valves and power
trim and tilt fluid may be expelled out
forcefully.
NOTE:
To remove the main valves, cover the pump
housing with a clean cloth
2
, and then blow
compressed air through holes
a
and
b
while holding the cloth down.
Checking the valves
1.
Check the operation of the tilt piston
absorber valves and the valves for dirt or
residue. Clean if necessary.
2.
Check the valve seat
1
, down-relief
valve
2
, and valve pin
3
for dirt or resi-
due. Clean if necessary.
3.
Check the shuttle pistons
4
, main valves
5
, and up-relief valve seat
6
for dirt or
residue. Clean if necessary.
Checking the filters
1.
Check the gear pump filter
1
and down-
relief valve filters
2
for dirt or residue.
Clean if necessary.
S60C7420
S60C7470
S60C7475
S60C7480
Summary of Contents for F100B
Page 1: ...SERVICE MANUAL 60C 28197 5D 11 290429 F100B F100C ...
Page 52: ...SPEC Specifications 2 17 60C5D11 MEMO ...
Page 162: ...LOWR Lower unit 6 15 60C5D11 Drive shaft and lower case F100B 6 ...
Page 190: ...LOWR Lower unit 6 43 60C5D11 Drive shaft and lower case F100C 6 ...
Page 200: ...LOWR Lower unit 6 53 60C5D11 Shimming F100C 6 ...
Page 209: ...60C5D11 7 2 1 2 3 4 5 6 7 8 9 MEMO Special service tools ...
Page 210: ...BRKT Bracket unit 7 3 60C5D11 Tiller handle 7 ...
Page 212: ...BRKT Bracket unit 7 5 60C5D11 ...
Page 214: ...BRKT Bracket unit 7 7 60C5D11 ...
Page 244: ...BRKT Bracket unit 7 37 60C5D11 Gear pump F100B 7 ...
Page 341: ......
Page 343: ......
Page 344: ...YAMAHA MOTOR CO LTD Printed in the Netherlands Jun 2001 0 5 1 CR F100BET F100CET E ...