TM 5-3805-280-24-2
Rock Drill
44
9506
1--Screw (4 used)
12--Screw (4 used)
23--Disc
34--Spacer
87
2--Adapter
13--Piston
24--Bearing Holder
35--Plug (2 used)
3--Adapter
14--Screw (6 used)
25--Oiler (2 used)
36--Tight Ring (2 used)
4--Half-Flange (4 used)
15--Lip Seal (2 used)
26--Chain Wheel
37--Reducer
5--Screw (8 used)
16--Cylinder Body
27--Ring (2 used)
38--O-Ring
6--O-Ring (2 used)
17--Spring (6 used)
28--Seal (2 used)
39--Shaft
7--Hydraulic Motor
18--Spring (6 used)
29--Circlips (4 used)
40--Driving Shaft
8--Screw (2 used)
19--Pressure Disc
30--O-Ring
41--Support
9--Oil Restricter
20--O-Ring
31--Bearing
10--Relief Valve
21--Pin (2 used)
32--O-Ring
11--O-Ring
22--Brake Disc
33--Screw (12 used)
81. Remove bearing holder (24).
63. Remove four screws (1).
82. Remove two oilers (25).
64. Remove adapter (2).
83. Remove chain wheel (26).
65. Remove adapter (3).
84. Remove two rings (27), two seals (28), four
66. Remove eight screws (5) and four half-flanges (4).
circlips (29), O-ring (32), and bearing (31). Discard
the seals and o-ring.
67. Remove and discard two O-rings (6).
85. Remove and discard O-ring (30).
68. Remove two screws (8) and hydraulic motor (7).
86. Remove twelve screws (33) and spacer (34).
69. Remove oil restrictor (9).
87. Remove and discard O-ring (38).
70. Remove relief valve (10).
88. Remove two plugs (35), and two tight rings (36).
71. Remove and discard O-ring (11).
89. Remove reducer (37).
72. Remove four screws (12).
90. Remove shaft (39), and driving shaft (40).
73. Remove six screws (14), and piston (13).
91. Inspect, repair or replace parts as necessary.
74. Remove and discard two lip seals (15).
92. Install shaft (39), and driving shaft (40).
75. Remove cylinder body (16).
93. Install reducer (37).
76. Remove springs (17 and 18).
94. Install two tight rings (36), and two plugs (35).
77. Remove pressure disc (19).
95. Install new O-ring (38).
78. Remove and discard O-ring (20).
96. Install spacer (34), and twelve screws (33).
79. Remove two pins (21).
97. Install new O-ring (30).
80. Remove brake disc (22), and disc (23).
Continued on next page
CED,OUOE019,11 1923MAR998/22
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