1-S52
L4400 , WSM
ENGINE
Push Rod Alignment
1. Place the push rod on V blocks.
2. Measure the push rod alignment.
3. If the measurement exceeds the allowable limit, replace the push
rod.
W11220210
Oil Clearance between Tappet and Tappet Guide Bore
1. Measure the tappet O.D. with an outside micrometer.
2. Measure the I.D. of the tappet guide bore with a cylinder gauge,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit or the tappet is
damaged, replace the tappet.
W11231410
Push rod alignment
Allowable limit
0.25 mm
0.0098 in.
Oil clearance between
tappet and tappet guide
bore
Factory spec.
0.020 to 0.062 mm
0.00079 to 0.00244 in.
Allowable limit
0.07 mm
0.0028 in.
Tappet O.D.
Factory spec.
23.959 to 23.980 mm
0.94327 to 0.94410 in.
Tappet guide bore I.D.
Factory spec.
24.000 to 24.021 mm
0.94488 to 0.94571 in.
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
