Service manual

ENGINE REASSEMBLY
17. Install the flywheel. Install the flywheel onto the rear
end
of the crankshaft.
18. Install the tabwasher plate and the flywheel
bolts. Torque the bolts. Bend the tabwasher to lock the
bolts in place.
Tightening Torque
,71Bn1C 15.5-16.3 mkg
(112 - 118ft-lh)
TABWASHER -_-+-_
FLYWHEEL BOLT
PATTERN
19. Tighten the front crankshaft pulley bolt.
Tightening Torque
71 Bn1 C 35 - 40 m-kg (253 - 289 ft-lh)
20. Install the two tubular dowels adjacent to cylinders
i and 4 if they were removed earlier during disassembly.
Position the gasket on cylinder block. Do not use any liquid
seal or cement.
21. Position the cylinder head.
22. Insert the pushrod. Check if the push rod is securely
set in the tappet concavity.
~
INCORRECT
CORRECT-~1iN1
TAPPET
TAPPET
CAM LOBE
CAM LOBE
23. Position the valve cap on the top of the
valve stem.
24. Install the rocker arm assembly onto the
cylinder head. Remember that the end of the rocker shaft
having the pin occupying the slot in #1 rocker support points
toward the front (pulley) end of the engine.
25. Tighten the cylinder head bolts. Tighten the
cylinder head bolts evenly in the sequence shown.
Tightening Torque
71 B 11.8 - 12.5 m-kg (85 - 90 ft-lh)
71 C 11.0 -11.7 m-kg (80 - 85 ft-lh)
14 10 6 2
3 7 11,
20 rl -
19
15
18
16
Q
13 9 5
17
12 FRONT'
4
WHEN NO 4 CYLINDER IS AT TOP DEAD CENTER
4 4 3 2
4 EXHAUST I
I
2 EXHAUST
3 INTAKE
4 INTAKE
3 EXHAUST
I
3
2 INTAKE 1 INTAKE
11 EXH~UST I
2 1 1
WHEN NO 1 CYLINDER IS AT TOP DEAD CENTER
26. Adjust valve clearance. Adjust the valve clearance.
Set No, 1 cylinder to IDC (top dead clearance) of the
compression stroke and adjust the valve clearance on No. 1
and
No.2 intake cylinders ... and No.1 and No.3 exhaust
cylinders.
a. Tum the crankshaft once, setting the No.4 cylinder
piston at IDC (compression) and adjust the No.3
and No.4 intake cylinders ... and the No.2 and No.4
exhaust cylinders.
h. Adjust each valve's clearance by inserting a 0.012 in
(0.03 mm) feeler gauge between the rocker arm and
the valve stem.
J1llve Clearance
71Bn1C 0.30 mm (.12 in) cold
27. Install the cylinder head cover.
Torque
71Bn1C
0.3 - 0.4 m-kg (2 - 3 ft-lh)
NOTE: After the engine has been reassembled,
readjust the valve clearances with a warm engine, see
ENGINE ADJUS'IMENTS.
Engines & Generators
26