TIMING CASE AND DRIVE ASSEMBLY 15
11 Inspect the gear and the bushes for wear and
other damage and renew as necessary. The gear
and bushes are available as an assembly or
separate bushes are available.
12 If the bushes are to be changed, remove them
with a suitable puller. If a puller is not available,
machine off the face of one of the bushes and
press them out. Press in new bushes, machine the
bores to get the correct clearance on the hub and
machine the faces to get the correct end clearance,
see the data and dimensions.
To fit
1 Use the three idler gear setscrews to ensure the
correct position of the idler gear hub with the
lubrication hole at the top. Push the hub into
position and remove the setscrews.
2 Lubricate the idler gear bushes with clean engine
lubricating oil. Align the timing marks on the idler
gear with the marks on the crankshaft and camshaft
gears. If necessary, rotate the gear of the fuel
injection pump clockwise to align the relevant timing
mark with the marks on the idler gear and slide the
idler gear into position. On engines with gears
which do not have timing marks align the temporary
mark on the fuel pump gear with the mark on the
timing case before the idler gear is fitted. Remove
the marks on the fuel pump gear and the timing
case after the idler gear has been fitted. Check that
all the timing marks are in correct mesh (A), or (B)
for engines fitted with a belt driven coolant pump.
Fit the plate and the setscrews to the idler gear hub
and tighten the setscrews to 44 Nm (33 lbf ft)
4,5 kgf m.
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PA129
PA307
Perkins Phaser/1000 Series, April 1995 15A.07
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