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Chapter 5 DISASSEMBLY OF BASIC ENGINE
3. Front Mechanism - Disassemble and Inspect
Understanding of the current engine condition before disassembling is very important to know the cause of trouble and do the
efficient work.
Depending on the maintenance work or purpose, it is desirable to inspect some of the following items before proceeding with
any job.
Damper Face and Radial Runout - Measure
Front Mechanism - Disassemble and Inspect
Note:(a) The shape of fan differs in accordance with the customization and specification.
(b) The consisting parts of the damper differ in accordance with the customization and specification.
Belt groove wear
With pulley (V-belt)
With pulley (ribbed belt)
Fan attachment spec
Oil pipe
With cranking pulley
Crack, dowel hole defect
Crack, oil leak
Replace
(Slinger portion)
(Seal lip portion)
Double installation spec
Front oil seal assembly in the form of a cassette combing an seal lip and slinger.
Front oil seal should be replaced whenever the front cover is removed.
4
4
1
2
3
4
5
6
7
8
9
10
10
Replace
Disassembling Sequence
1 Fan (Approx. 41 kg [90 lb]) (with fan spec)
2 Fan bracket assembly (with fan spec)
3 Belt (with fan spec)
4 Front pulley
5 Damper (Approx. 56 kg [123 lb]) (double damper spec)
6 Spacer (double damper spec)
7 Damper (Approx. 56 kg [123 lb.])
8 Crankshaft pulley
9 Front cover
10 Oil seal (cassette type)
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