4 - 5
Assembly (cont’d)
6 Apply grease to a new 'O'-ring F and install it on the
rear end of shaft B.
Clean the metallic face of the seal E, coat the metallic
face with engine oil and install the hub C onto the shaft
B. Fit new wire clip G .
Wrap sealing tape around the plug H with one thread
remaining uncovered. Insert this plug into the hub C but
leave the other one out until after testing.
7 Using extreme care to prevent water entering the
assembly, lower it into a tank of water. Connect
compressed air at B and apply pressure of 1.9 bar (28
lbf/in
2
). Check for air bubbles.
If leakage occurs, replace seals.
8 Remove the assembly from the tank. Dry with
compressed air. Add engine oil via plug C aperture.
Install plug H using an appropriate pipe sealant.
9 Carry out steps 1 to 4 of Idler Wheel and Recoil Unit,
Replacement.
Section J Track and Running Gear
9803/6020
Section J
4 - 5
Issue 1
Idler Wheel
284260
284340
284340
B
C
G
H
H
B
F
BB
CC
To Next Page
Loading...
