Push Rod Bend; Oil Clearance between Tappet and Tappet Guide Bore- Page 228

ENGINE

L3560, L4060, L4760, L5060, L5460, L6060, WSM

1-S81

Push Rod Bend

1. Put the push rod on V blocks.

2. Set a dial indicator with its point on the middle of the push rod.

3. Turn the push rod slowly and read the variation on the indicator.

4. If the measurement is more than the allowable limit, replace the

push rod.

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Oil Clearance between Tappet and Tappet Guide Bore

1. Measure the tappet O.D. with an external micrometer.

2. Measure the tappet guide bore I.D. with a cylinder gauge.

3. Calculate the oil clearance.

4. If the oil clearance is more than the allowable limit or the tappet

has a damage, replace the tappet.

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Push rod bend

Allowable limit

0.25 mm

0.0098 in.

Oil Clearance between 

tappet and tappet guide 

bore

Factory specification

0.020 to 0.062 mm

0.00079 to 0.0024 in.

Allowable limit

0.07 mm

0.003 in.

Tappet O.D.

Factory specification

23.959 to 23.980 mm

0.94327 to 0.94409 in.

Tappet guide bore I.D.

Factory specification

24.000 to 24.021 mm

0.94489 to 0.94570 in.

KiSC issued 03, 2016 A