TM 5-3895-372-34
6-14. Inspection. Inspect all components of the reversing gear box for excessive heat, scoring, wear, and deterioration.
Replace any component that is damaged or worn which would affect the operation of the gear box.
6-15. Assembly.
a.
Install seals (15 and 34) in bearing caps (16 and 35), respectively. (Refer to para 6-9.)
b. Press bearing cup (9) into bearing cap (16), bearing cup (1) into bearing cap (37), bearing cup
(20) into bearing cap (19), bearing cup (32) into bearing cap (35).
c.
Press bearing (27, fig. 6-4) on drive shaft (28).
d.
Slide spacer (29) over drive shaft (28).
e.
Install key (39) on drive shaft (28).
.
Position drive gear (30) in housing (42) and insert drive shaft (28) through drive gear (30) and aline keyway.
g.
Press bearing (31) on drive shaft (28).
h.
Position bearing cap (35) and gasket (33) on housing and secure with four bolts (36).
i.
Position bearing cap (19) and gasket (21) on housing and secure with four bolts (18).
I.
Install snap ring (7) on input shaft (6).
k.
Press bearing (8) on input shaft (6).
I.
Slide two spacers (5) and gear (4) on input shaft (6).
m.
Install snap ring (3).
n.
Press bearing (2) on input shaft (6).
o.
Install input shaft assembly in housing (42).
p.
Position bearing cap (37) and gasket (40) on housing (42) and secure with four bolts (38).
q.
Position bearing cap (16), seal (15), and gasket (14) on housing (42) and secure with four
r. Position top cover (12) and gasket (13) and secure to housing (42) with four bolts (11) and washers (10).
s.
If removed, install six studs (26) in mounting plate (25).
t.
Aline mounting plate (25) and gasket (24) and secure to housing (42) with six hex nuts (22) and lockwashers
(23).
u. Mount a dial indicator from housing (42) to drive shaft (28) to check end play. The axial end )lay should be
.006 in. to .010 in. (.153 mm). If axial end play of shaft exceeds this value, remove or dd equal thickness of gaskets (21 and
33) from bearing caps (19 and 35), thus adjusting bearings. Likewise, adjust axial end play for input shaft (6).
v.
Refill gear box. (Refer to LO 5-3895-372-12.)
6-9
