New Holland LS140 Workshop Manual page 69

2. Rocker Arm-to-Shaft Clearance
Measure the inside diameter of the rocker arm.
Calculate the clearance at, 1, between the rocker
arm, 2, and the rocker arm shaft, 3. If the
clearance is excessive, replace.
N834 ENGINE
Standard Clearance
0.032 - 0.068 mm
(0.0013" - 0.0027")
N834H ENGINE
Standard Clearance
0.030 - 0.093 mm
(0.0012" - 0.0037")
3. Wear on valve stem contact face of the rocker
arm.
Check the face for step wear or scoring. Slight
wear may be corrected using an oil stone.
Op. 10 101 21
CYLINDER HEAD ASSEMBLY
1. Using a valve spring replacer, compress the
valve spring to remove the valve keepers, 1,
retainer, 2, spring, 3, and valve, 4.
2. Remove the valve guide seals and glow plugs.
SECTION 10 - ENGINE
Allowable Limit
0.2 mm
(0.008")
Allowable Limit
0.2 mm
(0.008")
10-34
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