Cylinder Head and Valves
02
020
14
RG,RG34710,65 –19–13AUG99–3/5
RG8251A –UN–06DEC97
Removing Camshaft Gear
RG8264B –UN–06DEC97
Removing Supply Pump and Fuel Manifold (Early Engine
Shown)
RG8544B –UN–10DEC97
DFRG4 Camshaft Locking Tool
A—Gear Retaining Washer
B—Camshaft Gear
C—Fuel Manifold
D—Fuel Supply Pump
E—DFRG4 Camshaft Locking Tool
10. Remove six cap screws securing camshaft gear
retaining washer (A) and remove camshaft gear (B).
NOTE: Later engines: 10.5 L S.N. (003764— ) and 12.5 L
S.N. (010967— ) with single rail fuel systems do
not have a fuel manifold. Return fuel line is
connected to port of single rail in back of cylinder
head. Inlet line and port are on left side of head
up by No.1 cylinder.
11. Remove fuel manifold block (C) on engines with dual
rail systems, or disconnect fuel inlet and return lines
on single rail systems. Refer to the appropriate fuel
system repair manual.
Delphi/Lucas ECU controlled fuel systems:
• See REMOVE AND INSTALL FUEL MANIFOLD in
CTM115, Section 02, Group 090.
John Deere Level 6 ECU controlled fuel systems:
• See REMOVE AND INSTALL FUEL MANIFOLD in
CTM188, Section 02, Group 090.
12. Remove fuel supply pump. Refer to the appropriate
fuel system repair manual.
Delphi/Lucas ECU controlled fuel systems:
• See REMOVE AND INSTALL FUEL SUPPLY
PUMP in CTM115, Section 02, Group 090.
John Deere Level 6 ECU controlled fuel systems:
• See REMOVE AND INSTALL FUEL SUPPLY
PUMP in CTM188, Section 02, Group 090 (dual rail
fuel systems).
• See REMOVE AND INSTALL FUEL SUPPLY
PUMP in CTM188, Section 02, Group 091 (single
rail fuel systems).
Continued on next page
CTM100 (06APR04)
02-020-14
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=86
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