TM-9-2320-273-34
TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1980
TM-9-2320-273-34 - Page 732 of 801
TM 9-2320-273-34
21-4. Disassembly of PTO (M916, M917, and M920).
a.
Remove six nuts and crush washers that fasten the PTO to the adapter (fig. 21-1). Separate the
PTO and the adapter. Remove gasket (36, fig. 21-1) from case (31).
b.
Remove three capscrews (11) from cover (17). (The fourth capscrew (11) was removed during
the PTO cable removal procedure). Remove PTO switch bracket (12).
c.
Remove capscrew (13) and Iockwasher (14) that fastens the shifter lever (15) to the cover. Mark
the lever and the spindle so that they can go back together in the same position. pull off the lever (15),
washer (16) and cover (17). Remove O-ring (18). Remove plate subassembly (8).
d.
Remove poppet pin (9) and shifter ball spring (10), if required.
e.
Remove spacer (19) and two gaskets (7).
f.
Back out setscrew (32) flush to surface of case (31).
g.
Press out idler shaft (30) and remove idler gear (34), two bearing cones (35) and spacer(s) (33).
Measure thickness of spacer(s) to aid in reassembly.
h.
Remove four capscrews (1) and carefully pry off cover (2) with attached bearing cup (4). Remove
gasket (3) and press out bearing cup, if required.
i.
Remove four Allen head capscrews (21) and carefully pry off cover (23) with seal (22) and bear-
ing cup (26) attached. Remove spacer (24) and gasket (25). If required, pry out seal and press out bearing
cup.
21-5).
k.
i.
m.
Using a suitable bearing puller, remove bearing cone (5) from end of output shaft (29). (See fig.
Remove snapring (6) and pull output shaft (29) out from opposite end of case (31).
Remove bearing cone (27) with a suitable puller and then remove snapring (28).
Pull output sliding gear (20) out of case (31).
21-3
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