Kubota SM-E4B Series User Manual

ENGINE
SM-E4B SERIES, WSM
1-S33
Tappets
1. Remove the tappets (1) 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 (4).
2. Remove the valve spring collet (3), pushing the valve spring
retainer (2) by valve spring replacer (1).
3. Remove the valve spring retainer (2), 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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Thermostat Assembly
1. Remove the thermostat cover mounting screws (1), and remove
the thermostat cover (2).
2. Remove the thermostat assembly (4).
(When reassembling)
• Replace the gasket (3) with a new one.
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Water Pump Assembly (If necessary)
1. Loosen the alternator mounting screws, and remove the fan
belt.
2. Remove the fan and fan pulley.
3. Remove the water pump assembly (1) from the gear case cover
(3).
(When reassembling)
• Replace the gasket (2) with a new one.
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(1) Tappet
(1) Valve Spring Replacer
(2) Valve Spring Retainer
(3) Valve Spring Collet
(4) Valve Cap
(5) Valve Spring
(6) Valve Stem Seal
(7) Valve
(1) Thermostat Cover Mounting Screw
(2) Thermostat Cover
(3) Thermostat Cover Gasket
(4) Thermostat Assembly
(1) Water Pump Assembly
(2) Water Pump Gasket
(3) Gear Case Cover
KiSC issued 01, 2013 A

Kubota SM-E4B Series Specifications

General

Brand	Kubota
Model	SM-E4B Series
Category	Engine
Language	English