18
FASTENERS
NUTS AND BOLTS
Tightness of nuts and bolts should be checked monthly. Main frame bolts are generally
held in place through an internal mounting tube (see illustration). These bolts should be
tight (35-40 ft.-lbs.). Other bolts should not be tightened any more than necessary to
keep them from turning freely.
NOTICE:
OVER TIGHTENING BOLTS, WHICH GO
THROUGH THE MIDDLE OF TUBES, WILL CRUSH THE TUBE AND DESTROY
THE CHROME FINISH.
TOOLS REQUIRED: drift punch and a hammer
Spring pins are used to hold a shaft in place or to fasten a collar to a shaft. With the
exception of the arm lock shafts, spring pins are always shorter than the diameter of the
shaft. The procedures for removal and replacement of spring pins are as follows:
SPRING PIN REMOVAL:
1.
Look at the exploded view of the machine in the parts section and find the size of the
pin.
2.
Using the proper size drift punch, tap the pin into the shaft until the pin is completely
out of the bracket or collar.
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