65E Turbo Motor Grader
Service Manual
Service 2.00_2013.03
8
-
42
Section 8
Hydraulics
If the check valve cartridge does not seem to be function
-
ing properly, it is usually the result of foreign material
lodged between the piston, 11, and relief valve
poppets, 12, 15. It can be disassembled for cleaning.
Always clean the surrounding area before removing the
complete relief valve cartridge.
The pilot section, 1 through 10, can be removed from the
cartridge housing without disturbing the adjusting
screw, 2, and pressure setting. Once removed, separate
the parts and examine for foreign material. Examine O
-
rings and back
-
up washers for damage. All seats and
seating surfaces should be smooth and free of nicks,
scratches or grooves.
After inspecting and cleaning, immerse all parts in
hydraulic oil and assemble.
If operating difficulties indicate a problem in the pilot pop
-
pet, 5, it can be removed and cleaned. If the pilot poppet
is removed, the pressure will require adjustment when
reassembled. To adjust, refer to section on PRESSURE
SETTINGS, MAIN RELIEF VALVE.
To access the pilot poppet, 5, loosen lock nut, 1, and
unscrew the adjusting screw, 2.
When installing the check valve cartridge in the control
valve, torque to 40
-
50 Nm (30
-
37 Ib
-
ft).
* Part of Seal Kit
(1) Nut, Lock
(9) O
-
Ring*
(2) Screw, Adjusting (10) Spring
(3) O
-
Ring*
(11) Piston
(4) Spring
(12) Poppet
(5) Poppet, Pilot
(13) O
-
Ring*
(6) Housing, Pilot
(14) Ring, Backup*
(7) O
-
Ring*
(15) Poppet
(8) Ring, Backup
(16) Cap
(17) O
-
Ring*
Summary of Contents for 65E Turbo Motor Grader
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Page 7: ...Service Manual Section 1 Electronic Display Service 2 00_2013 03 ...
Page 33: ...Service Manual Section 2 Engine Service 2 00_2013 03 ...
Page 34: ......
Page 75: ...Service Manual Section 3 Operator s Platform and Controls Service 2 00_2013 03 ...
Page 76: ......
Page 121: ...Service Manual Section 4 Transmission Service 2 00_2013 03 ...
Page 122: ......
Page 149: ...ERGOPOWER Geschäftsbereich Arbeitsmaschinen Antriebe und Achssysteme 2 1 Edition ...
Page 171: ......
Page 202: ...Order No 5871 146 002 ZF ERGOPOWER 6 WG 115 ZF Passau GmbH Donaustr 25 71 D 94 034 Passau ...
Page 330: ...Service Manual Section 5 Front Axle Service 2 00_2013 03 ...
Page 331: ......
Page 382: ...Service Manual Section 6 Rear Axle and Tandem Service 2 00_2013 03 ...
Page 383: ......
Page 456: ...Service Manual Section 7 Electrical Service 2 00_2013 03 ...
Page 457: ......
Page 471: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 4 Section 7 Electrical ...
Page 472: ...65E Turbo Motor Grader Service Manual 7 5 Service 2 00_2013 03 Section 7 Electrical ...
Page 473: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 6 Section 7 Electrical ...
Page 474: ...65E Turbo Motor Grader Service Manual 7 7 Service 2 00_2013 03 Section 7 Electrical ...
Page 475: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 8 Section 7 Electrical ...
Page 477: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 10 Section 7 Electrical ...
Page 478: ...65E Turbo Motor Grader Service Manual 7 11 Service 2 00_2013 03 Section 7 Electrical ...
Page 479: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 12 Section 7 Electrical ...
Page 480: ...65E Turbo Motor Grader Service Manual 7 13 Service 2 00_2013 03 Section 7 Electrical ...
Page 481: ...65E Turbo Motor Grader Service Manual Service 2 00_2013 03 7 14 Section 7 Electrical ...
Page 519: ...Service Manual Section 8 Hydraulics Service 2 00_2013 03 ...
Page 520: ......
Page 641: ...Service Manual Section 9 Moldboard and Implement Service 2 00_2013 03 ...
Page 642: ......
Page 677: ...Service Manual Section 10 Diagnostic Fault Codes Service 2 00_2013 03 ...
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