SERVICE MANUAL
CYLINDER HEAD & VALVES
Section 3
INJECTOR CRAB
The new style injector crab provides an improved injector
crab seating contact area resulting from the following
changes:
1.
Increased through hole diameter from 0.344 in.
on the displaced style injector crab to 0.375 in.
on the new style injector crab (Refer to Figures
8A and 8B).
Figure 8A. - Through Hole Diameter
Figure 8B. - Through Hole Diameter
NEW CYLINDER HEAD BOLT AND TORQUE
Revised long and short cylinder head bolts with flange
type heads (Figure 9a) have replaced the old style
cylinder head bolts (Figure 9b) which required the use of
a hardened washer (I H Part No. 252 018 R 1).
Use of the new style flange type long and short cylinder
head bolts results in the following changes:
New Style Cylinder
Old Style Cylinder
Head Bolt
Head Bolt
(IH P/N 691 475 C1
(IH P/N 676 119 C1
- Long)
- Long)
(IH P/N 691 476 C1
(IH P/N 676 120 C1
- Short)
- Short)
1. Washer NOT
1.
Washer Required.
Required
2. Final Torque
2.
Final Torque
225 N•m (165
225 N-m (165
Ibf-ft)
Ibf-ft)
IMPORTANT: Do not intermix old and new style
cylinder head bolts.
Figure 9a. - "New Style" Cylinder Head Bolt
(Flange type) (Washer not required
Figure 9b. - "Old Style" Cylinder Head Bolt
and Hardened Washer
PARTS AFFECTED:
New IH Part No.
Description
691 475 C1
Long Cylinder Head Bolt
691 476 C1
Short Cylinder Head Bolt
HARDENED Washer
Displaced IH Part No.
676 119 C1676 120 C1252 018 R1
EFFECTIVE ON:
The following engines utilize the "new style" long and
short cylinder head bolts with flange head:
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
Page 6
