TM 55-1930-209-14&P-21
(4)
Using installer, set bearing in its seat and align it so that bearing lockscrew can be installed.
(5)
Install bearing lockscrew.
CAUTION
Bearing must have slight movement in block bore after lockscrew is seated.
(6)
Install remaining intermediate bearings in a similar manner. Then two rear-end bearings can be installed.
b.
End bearing installation
(1)
Insert pilot in bore of block.
(2)
Insert support in bore in opposite end of block; then, with unthreaded end of shaft started through pilot,
push shaft through block and support.
(3)
Place a new end bearing on installer and align notch in bearing with pin on installer. Then slide installer
and bearing on shaft. Position bearing correctly with groove in camshaft bore.
(4)
Place the "C" washer in end notch in shaft; pull shaft back until washer butts against bearing.
(5)
Next, place a spacer thrustwasher, plain washer and hexnut over threaded end of shaft and, using a
suitable wrench on hexnut, draw bearing into place until shoulder of installer prevents further shaft movement.
(6)
Follow steps (1)
thru (5) above for remaining end bearings.
6-27
Camshaft and balance shaft reassembly and installation
a.
Install new end plugs in camshaft. Press plugs in to a depth of 1.940 to 2.060 inches.
b.
Install cam and balance shafts as follows:
(1)
Reinstall gears on cam and balance shafts in reverse of disassembly sequence.
(2)
Insert front end of camshaft into opening on blower side of cylinder block. Push camshaft through block
until camshaft gear teeth almost engage idler gear.
(3)
Align timing marks and push camshaft into place.
(4)
Secure camshaft rear-end bearing to block with three bolts and lockwashers. Tighten bolts to 35-40 Ib-ft
torque.
(5)
Install balance shaft in a similar manner.
(6)
Apply grease to steel face of cam and balance shaft thrustwashers.
(7)
Slide bearing on shaft with greased face of inner thrustwasher against bearing. Push bearing and
thrustwasher into place in block.
(8)
Install outer thrustwasher and three bearing retainer bolts and lockwashers.
(9)
Reinstall balance weights on shafts using new internal tooth lockwashers.
6-53
