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1 5 1 ENGINE
6A2-15
11. Install the radiator as described in Section 6B and
fill cooling system.
12. Install grille assembly on H Series.
13. Start engine and check for leaks.
14. Check and adjust timing.
C A M S H A F T BEARINGS
Remove
Camshaft bearings can be replaced while the engine is
disassembled for overhaul, or without complete disassembly
of the engine after transmission and flywheel have been
removed.
1. With camshaft, oil pan and flywheel removed, drive
out expansion plug from rear cam bearing by driving from
inside.
2. Using bearing remover J-21473-1, drive out front
'
bearing toward rear and rear bearing toward front.
3. Install extension J-2 1054- 1 and drive center bearing
out toward rear (Fig. 6A2-32).
-
-
~
i
~
.
6A2-32
~ e m o v i n ~ ? & t e r Camshaft Bearing
icy
Replace
1. Install each new bearing on tool.
2. Install bearings reversing procedure making sure oil
holes are aligned.
CAUTION: The front bearing must be driven
approximately 1/8" behind front of cylinder block
to uncover oil hole to timing gear oil nozzle.
OIL P A N
Remove
1. Disconnect negative battery cable.
2. Remove engine fan on X series.
3. Raise vehicle and drain crankcase.
4. Remove rear section of frame crossmember on. H
series.
5. Disconnect exhaust pipe at manifold and loosen
hanger bracket.
6. Remove starter and set to one side.
7. Remove flywheel housing inspection cover. On H
series, proceed to step 10.
8. Remove hub bolt and install engine lift support tool
(J-235 15-1) and adapter J-235 15-3 and after wrapping chains
around frame (Fig. 6A2-33), raise engine to remove weight
from engine mounts; remove both bracket to engine mount
bolts.
9. Remove oil pan bolts; raise engine just enough to allow
oil pan removal.
C AUTI 0 N: Do not exceed 35 lb.
fi.
torque on
lifiing tool screw.
10. On H series, disconnect steering linkage at steering
gear and idler arm support. Remove oil pan bolts and remove
pan.
Fig.
6A2-33
Engine Lifting Tool
Replace
1. Thoroughly clean all gasket sealing surfaces.
2. Install rear oil pan gasket in rear main bearing cap.
3. Install front oil pan gasket on timing gear cover
pressing tips into holes provided in cover.
4. Install side gaskets on oil pan using grease as a
retainer.
5. Install oil pan. (Bolts into timing gear cover should
be installed last. They are installed at an angle and holes line
up after rest of pan bolts are snugged up).
6. For remainder of installation, reverse steps 1 through
9 of removal.
OIL P U M P
Remove
1. Drain oil and remove oil pan as previously outlined.
2. Remove two flange mounting bolts and nut from main
bearing cap bolt and remove pump and screen as an assembly.
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