5 - 1
Dismantling
1 Carry out steps 1 to 4 of Idler Wheel and Recoil Unit,
Removal.
!!
WARNING
RECOIL UNITS ARE DANGEROUS. They must not be
dismantled without using suitable tools to compress the
spring safely. The spring pressure can cause serious
injury if suddenly released. Scrap units must be made
harmless by compressing the spring in a hydraulic press
and cutting through the end of the shaft before slowly
releasing the pressure.
TRACK 1-10
2 Place the recoil unit in the spring compression jig (see
Service Tools, Section 1), yoke E uppermost. Raise
hydraulic jack A to compress recoil spring B.
3 Pull out roll pin C and remove castellated nut D. Lower
jack A to release the pressure on recoil spring B.
Remove the recoil unit component parts from the jig:
yoke E first, then spring B and, finally spring
guide/retainer F.
Section J Track and Running Gear
9803/6410
Section J
5 - 1
Issue 1
Recoil Unit
B
B
E
D
C
F
A
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