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Group 23 Fuel System
162
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Assembling the rear cover
1. Install the bearing outer race on the rear cover.
2. Install the O-ring and shim on the rear cover, and
install the rear cover on the pump case.
Camshaft thrust clearance
1. Set a dial gauge on the end surface of the cam-
shaft, and measure end play using the Cam
thrust ejector.
Camshaft thrust end play, mm [in.]
Assembly Standard .... 0.02–0.06 [0.00079–0.00236]
2. If the measured clearance deviates from the
assembly standard, increase or decrease the
shim thickness to make adjustment.
3. Tum the camshaft to make sure if it rotates
smoothly.
Assembling tappets
1. Install the tappet roller, roller bearing and tappet
pin in each tappet.
2. Apply lubricating oil to each part.
3. After assembly, make sure the roller rotates
smoothly without squeezing.
4. Install tappets in the pump case by positioning
each tappet so the falt faces of the tappet
engages securely with the stopper pin.
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