wsm B2420 - Timing Gears, Camshaft and Fuel Camshaft

ENGINE
B2420, WSM
1-S30
Tappets
1. Remove the tappets from the crankcase.
(When reassembling)
• Visually check the contact between tappets and cams for proper
rotation. If defect is found, replace tappets.
• Before installing the tappets, apply engine oil thinly around
them.
IMPORTANT
• Do not change the combination of tappet and tappet guide.
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Valves
1. Remove the valve caps (2).
2. Remove the valve spring collet (3), pushing the valve spring
retainer (4) by valve spring replacer (1).
3. Remove the valve spring retainer (4), valve spring (5) and valve
stem seal (6).
4. Remove the valve (7).
(When reassembling)
• Wash the valve stem and valve guide hole, and apply engine oil
sufficiently.
• After installing the valve spring collets, lightly tap the stem to
assure proper fit with a plastic hammer.
IMPORTANT
• Do not change the combination of valve and valve guide.
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(2) Timing Gears, Camshaft and Fuel Camshaft
Fan Drive Pulley
1. Set the stopper to the flywheel.
2. Remove the fan drive pulley retaining screw (1).
3. Draw out the fan drive pulley (2) with a puller.
(When reassembling)
• Install the fan drive pulley to the crankshaft, aligning the marks
(3) on them.
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(1) Valve Spring Replacer
(2) Valve Cap
(3) Valve Spring Collet
(4) Valve Spring Retainer
(5) Valve Spring
(6) Valve Stem Seal
(7) Valve
Tightening torque
Fan drive pulley retaining
screw
236 to 245 N·m
24.0 to 25.0 kgf·m
174 to 180 lbf·ft
(1) Crankshaft Screw
(2) Fan Drive Pulley
(3) Aligning Mark
KiSC issued 06, 2012 A