40
16. Check endplay in output shaft as follows:
a). Connect hoist to end of output shaft.
Slotted nut may be used for this purpose.
b). Mount thousandths dial indicator with tip
resting on end of shaft.
c). Raise and lower output shaft with hoist.
Twist shaft back and forth several times to
seat rollers in bearing.
d). END PLAY MUST BE BETWEEN .000”
and .003”. Otherwise remove bearing cap
and add or subtract shims as necessary;
check endplay again.
7.8 INSTALLATION OF OUTPUT
COUPLING
1. If new coupling is used, check clearance
between key and keyway in output coupling
by locating key and coupling temporarily on
shaft. Clearance should be .010” to .015”.
Otherwise file key as necessary.
2. Heat output coupling in hot oil or water at
180
q
Fahrenheit (or 82
q
Celsius) for at least
½
hour before installation.
4. Install hot output coupling on output
shaft. Make sure coupling seats
firmly against bearing. If it does not,
a soft hammer should be used while
coupling is hot.
4. Secure coupling with washer, slotted nut
and cotter pin.
7.9 INSTALLATION OF PINION
SHAFT AND RELATED PARTS
Tip housing upright.
1. If a new pinion or a new rear commutator
is being installed, check the clearance
between the two parts. It must be .002” or
assembly will be very difficult and
commutator may freeze on the shaft.
Содержание HY- 6900
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