Loader Bobcat 773. Instruction - page 22
CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)
Main Relief Valve (Cont’d)
Disassembly (Cont’d)
Remove the glid ring (Item 1) [A] & [B] from the main relief
valve.
Remove the O–rings (Item 2) [B] and back–up ring (Item
3) [B] from the main relief valve.
Port Relief Valve
Disassembly
Remove the port relief valve (Item 1) [C].
Remove the O–rings (Item 1) [D] and back–up ring (Item
2) [D] from the port relief valve.
A
P–08970
1
C
P–08972
1
D
P–08973
E–01509
1
1
2
2
1
–2–34–
773 BICS Loader
Service Manual
B
P–08971
B–6764
1
2
3
2
2
3
1
CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)
Anti–Cavitation Valve
Disassembly
Remove the anti–cavitation valve (Item 1) [A] from the
control valve tilt section.
Remove the anti–cavitation valve (Item 1) [B] from the
control valve lift section.
Remove the O–rings (Item 1) [C] and back–up ring (Item
2) [C] from the anti–cavitation valves.
Remove the plug (Item 1) [D] from the tilt section.
NOTE: On later models only this port may contain an
available 3500 PSI port relief valve for the rod
end of the tilt section.
NOTE: The anti–cavitation valve (Item 1) [A] is
standard on the control valve. The available
3500 PSI anti–cavitation/port relief looks like
a port relief valve. (See Page 2–34.)
Revised May 98
A
P–08974
1
C
P–08976
E–01509
1
2
1
2
D
P–08977
1
773 BICS Loader
–2–35–
Service Manual
B
P–08975
1
CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)
Anti–Cavitation Valve (Cont’d)
Disassembly (Cont’d)
Remove the O–rings (Item 1) [A] and back–up ring (Item
2) [A] from the plug.
Rubber Boot
Disassembly
Remove the two bolts (Item 1) [B] from the rubber boot
retainer on the lift spool.
Remove the rubber boot (Item 1) [C] and retainer (Item
2) [C] from the lift spool.
Remove the bushing (Item 1) [D] and O–ring (Item 2) [D].
A
P–08978
2
1
E–01509
2
1
C
P–08980
2
1
D
P–08981
2
1
–2–36–
773 BICS Loader
Service Manual
B
P–08979
1
1
CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)
Lift Spool And Detent
Disassembly
Remove the snap ring (Item 1) [A] and washer (Item 2)
[A].
Remove the two bolts (Item 1) [B] from the detent bonnet.
Remove the bonnet.
The detent assembly has small springs and
balls. Do not lose these parts during
disassembly and assembly.
I–2012–0284
Wrap a shop towel around the detent assembly. This will
prevent the detent balls and spring from being lost when
the detent sleeve is removed [C].
Remove the detent sleeve (Item 1) [D], detent balls (Item
2) [D] and spring (Item 3) [D].
A
P–08982
2
1
C
P–08984
D
P–08985
2
1
3
2
773 BICS Loader
–2–37–
Service Manual
B
P–08983
1
1