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5. Adjust

the tension of belt halfway between the fan

drive

pulley and alternator pulley at a specified

force to measure the deflection (3).

Deflection (3)

Service specifi-

cation

10.0 to 12.0 mm

0.394 to 0.472 in. in.

(under load of 98 N

(10 kgf, 22.1 lbf))

(3) Deflection

NOTE

• If the measurement is out of the service

specifications, loosen the alternator

mounting screws and adjust its position.

7. Check point of every 1000

hours

7.1 Checking valve clearance

IMPORTANT

• You must check and adjust the valve clearance

when the engine is cold.

Tools required

• Feeler gauge

1. Remove the air cleaner and muffler.

2. Remove the cylinder head cover

3. Align the [1TC] mark (2) line on the flywheel and

projection (1) on the housing.

4. Make sure that the No.1 piston comes to the

compression or overlap top dead center

3. MAINTENANCE

CHECK AND MAINTENANCE

7.Check point of every 1000 hours

3-16

D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4

KiSC issued 12, 2018 A

Kubota D1803-CR-E4 User Manual

Questions and Answers: