ARMY TM 9-2815-253-24
AIR FORCE TO 38G1-93-2
MARINE CORPS TM 2815-24/3
3-23.2. Repair.
a.
Remove two thrust washers (1 and 3, FIGURE 3-20) and sleeve (2) from camshaft.
b.
Remove pin (12, FIGURE 3-19), shim (13) and retainer (2) from droop adjust screw (14); remove screw (14).
c.
Disconnect spring (15) from governor lever (6) bushing.
d.
Remove two nuts (16) and capscrews (17) from end cover.
e.
Remove capscrew (18) and washer (19) from inside crankcase, remove spring (20), bushing (21), and lever
assembly (22). From outside crankcase remove bushing (23), preformed packing (24), and lever (25). Discard
preformed packing (24). Remove trip lever spring (26).
f.
From inside crankcase, remove capscrew (27) and washer (28); remove lever (29).
g.
From outside crankcase, remove speed quadrant (30) and preformed packing (31). Discard preformed packing
(31).
h.
If damaged, remove bushing (32).
i.
Remove capscrew (33) securing base plate (34) to crankcase; remove base plate (34).
j.
Remove two capscrews (35 and 36) and nuts (37) from base plate (34).
k.
Remove thrust collar (38) and two bushings (39) from governor lever (6).
I.
Turn camshaft until a weight (4, FIGURE 3-20) is horizontal.
m.
Remove capscrew (5) and lockwasher (6) securing each retainer plate (7) to camshaft gear. Remove retainer
plate (7) with weights. Discard lockwasher.
n.
Remove pin (8), shims (9), and weights (4) from retainer plate.
o.
Repeat steps I through n for other retainer plates and weights.
p.
Lightly lubricate pins (8) with engine lubricating oil (MIL-L-2104) and install them and shims (9) in new weights
(4).
q.
Install weights (4) and pins (8) with large section of weights facing out.
r.
Install retainer plates (7) and secure each with a capscrew (5) and new lockwasher (6). Tighten capscrews to 78
in-lbs (8.8 Nm).
s.
Ensure all weights (4) move freely.
t.
Install two bushings (39, FIGURE 3-19) and thrust collar (38) on governor lever (6).
u.
Install two capscrews (35 and 36) and nuts (37) on base plate (34).
v.
Position base plate (34) on crankcase and secure with capscrew (33).
w.
If removed, install new bushing (32).
x.
From outside crankcase, install new preformed packing (31) and speed quadrant (30) into crankcase hole.
y.
From inside crankcase install lever (29) on speed quadrant (30) and secure with capscrew (27) and washer (28).
z.
From outside crankcase, position bushing (23), new preformed packing (24) and lever (25) into crankcase hole.
aa.
Install trip lever spring (26) on lever assembly (22).
ab.
From inside crankcase, position lever assembly (22), bushing (21), and spring (20) on lever (25) and secure with
capscrew (18) and washer (19).
ac.
Connect spring (15) to bushing and hole on governor lever (6).
ad.
Install droop adjust screw (14) in governor lever (6) and install retainer (2), shim (13), and pin (12). Turn screw
(14) fully counterclockwise.
ae.
Install two thrust washers (1 and 3, FIGURE 3-20) and sleeve (2) on camshaft.
3-38
|
|