TP-6137 5/03 85Section 10 Generator and Engine Disassembly/Reassembly
Figure 10-90 Gear Cover Screws
Block Tappets
1. Check that the tappets movement in their block is
not forced. Check the surface wear that touches
the camshaft. See Figure 10-91.
Figure 10-91 Block Tappets
Push Rods and Protective Tube
1. Install the O-rings and push down the protective
tube of the push rods towards the gear cover.
2. Put the retainer spring in the upper side of the head
as shown in Figure 10-92.
3. Do not tighten the nuts.
4. Guide the push rods in the tube until they touch the
tappets.
Note: Both rods look alike. However, place the intake
valve’s push rod in the hole closer to the
crankcase.
Figure 10-92 Retainer Spring In Cylinder Head
Rocker Arms
1. Ensure that the piston is in the Top Dead Center
(TDC) position.
2. Lubricate and then drive the rocker arm shaft into
its support.
3. Align the push rods with the correct rocker arms.
4. Ensure a clearance between these parts to prevent
damaging the head nuts after tightening.
5. Tighten the head nuts at the specified torque in
three steps after the retaining spring nuts. See
Section 1.5. See Figure 10-93.
Figure 10-93 Cylinder Head Nuts
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