13 - 4
Assembly (continued)
3. Coat shaft C with grease. Insert the shaft into roller J
or H.
Apply grease to new 'O'-rings G and install them on
shaft C.
4. Install a new seal F into brackets D and E. Coat the
metallic face of each seal with engine oil.
5. Press brackets D and E onto shaft C and insert new
locking wires B.
Wrap sealing tape around one plug A with one thread
remaining uncovered. Insert this plug, but leave the
other one out until after testing.
6. Using extreme care to prevent water entering the
assembly, lower it into a tank of water. Connect
compressed air at A and apply pressure of 1.9 bar (28
lbf/in
2
). Check for air bubbles.
Section J
Track and Running Gear
9803/6400
Section J
13 - 4
Issue 1
Bottom Roller (continued)
J
G
C
G
H
F
B
E
B
A
D
C
A
D,E
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