TM 5-3805-280-24-2
Rock Drill
44
9506
1--Hydraulic Stop Piston
11--Plate
20--O-Ring
29--Snap Ring
71
2--Cover
12--Pin
21--O-Ring
30--Guiding Ring (3 used)
3--Shaft
13--Cartridge (Type 055)
22--Lining
31--Adapter (2 used)
4--Pin
14--O-Ring
23--O-Ring
32--Adapter
5--Nut
15--Plate
24--O-Ring
33--Adapter
6--O-Ring
16--O-Ring
25--Slider
34--Motor Body
7--Plate
17--Pin
26--Adjusting Shim (As
35--Pin
8--Ball Bearing
18--Spring
Required)
9--O-Ring
19--Needle Bearing (2
27--Spring
10--O-Ring
used)
28--BS Ring
102. Install ball bearing (8) in plate (7).
90. Secure motor body (34) on clamping assembly,
59829.
103. Install plate (7).
91. Using shouldered pin, 59828, install two needle
104. Install cover (2).
105. Install shaft (3).
92. Install new O-rings (23 and 24), and BS ring (28)
on lining (22).
106. Remove cover (2).
93. Install spring (27), slider (25), and lining (22).
107. Install pin (35).
Lining--Specification
108. Lock shaft (3) in place with gear locking tool,
Torque................................................................... 300 Nm (220 ft-lb)
76173.
94. Install new O-rings (10 and 16) on plate (11 and
109. Install nut (5) and pin (4).
15).
110. Install new O-ring (6).
95. Install pin (17) in plate (15).
111. Apply silicone sealing on last threads of cover (2)
96. Install spring (18).
and install the cover.
97. Install plate (15). Rotate the plate until pin (17)
112. Install flange, 59831 and two screws on cover
enters motor body (34) against spring (18).
(2).
98. Install new O-ring (14).
113. Using a torque wrench, tighten cover (2). Ensure
that the edge of the cover does not protrude
99. Using a cartridge mounting tool, install cartridge
beyond the edge of the motor body (34).
(13). Rotate the cartridge until it is locked by pin
(16).
Cover--Specification
100. Using a plastic rod, push cartridge (13) over
Torque................................................................... 600 Nm (440 ft-lb)
O-ring (14).
114. Install adapters (31, 32, and 33).
101. Install pin (12), plate (11), and new O-rings (9
and 10).
Continued on next page
CED,OUOE019,9 1912MAR9925/34
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