TM 5-4310-379-14
5-22. Camshaft, Balance Shaft and Bearings (Cont).
(3)
Installation. (figure 5-28)
(a)
Install balance and camshaft bearings (1).
(b)
Install two thrust plates (2).
(c)
Install gears (3) on balance shaft (4) and camshaft (5).
(d)
Rotate cylinder block until the top of block faces down, then lubricate balance and camshaft lobes
and journals with engine oil.
(e)
Slide camshaft (5) into cylinder block until camshaft gear (3) is within .125 in. (.317 cm) of camshaft
gear
(f)
Rotate camshaft gear (3) until the "O" timing marks on the two gears are correctly alined, then push
camshaft in place in the block.
(g)
Rotate gears (3) as necessary to install thrust plate bolts (6).
(h)
Install six thrust plate bolts (6) and lockwashers (7). Torque bolts to 13-17 Ib-ft (18-23 Nm).
(i)
Rotate cylinder block over until top of block faces up, then lubricate balance shaft (4) bearing
journals with engine oil.
(j)
Slide balance shaft (4) into cylinder block until balance shaft gear (3) is within .125 in. (.317 cm) of
camshaft gear.
(k)
Rotate balance shaft gear (3) until the 'X" on each gear is correctly alined, then push balance shaft in
place in block.
(I)
Rotate gear (3) as necessary to install thrust plate bolt (8).
(m)
Install three thrust plate bolts (8) and lockwashers (9) on balance shaft. Torque bolts to 13-17 Ib-ft
(1823 Nm).
(n)
Install two keys (10) in the keyway at front end of both shafts and gear locknuts (11). Torque
locknuts to 250-275 Ib-ft (339-373 Nm).
(o)
Install two balance weights (12) and keys (13).
(p)
Install two balance weight locknuts (14).
(q)
Wedge a wood block between the balance weights and torque locknuts to 250-275 Ib-ft (339-373
Nm).
(r)
Install engine front cover (15) with gasket (16) and secure with eighteen bolts (17) and lockwashers
(18) to13-17 lb-ft(18-23 Nm).
Change 1 5-90
