1800 SRM 1038 Repair
1. PISTON RETURN SPRING ASSEMBLY
Figure 15. Piston Return Spring
WARNING
Observe all WARNINGS and CAUTIONS pro-
vided by the press manufacturer concerning
press operation to avoid serious personal in-
jury and possible damage to components.
5. Use a press to apply and keep pressure on the
plug. See Figure 16.
1. PRESS
Figure 16. Plug
6. Slowly release pressure while loosening the plug
until the threads are completely disengaged and
the spring is fully expanded. See Figure 17.
1. HOUSING
2. SPRING, FULLY EXPANDED
3. SHOULDER
4. SPRING GUIDE
Figure 17. Piston Return Spring
7. Remove the plug and pin assembly, the spring,
and the spring guide from the housing.
NOTE: Two types of spring guides are used. One type
of guide has a pin on the bottom that is installed in-
side the spring. The other type of guide has a hole
in the bottom so that the end of the pin is installed
inside the guide. See Figure 18.
8. Inspect the O-ring on the plug. If necessary, re-
move and replace the O-ring.
1. SPRING GUIDE, HOLE TYPE
2. SPRING GUIDE, PIN TYPE
3. SPRING
4. O-RING
5. PIN AND PLUG ASSEMBLY
Figure 18. Piston Return Spring Assembly
7
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