CLAUSING 5914 - Variable Speed Belt Replacement

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REPLACING VARIABLE SPEED BELT
1. With lathe running, turn variable dial to highest
speed - - 2000 rpm in open belr or 280 rpm in
back gear. Then turn off motor.
Figure 21
2. Remo ve spindle haodwheel (B) (fig . 21), belt
guards and front cover.
3. Turn variable dial back to lowest speed and lock
dial in place with pin (A).
4.
Figure 22
Holding variable dial ag~nst low speed stop, pull
on outer sheave of lower variable motor pulley (F)
(fig. 22) until variable belt (E) is loose.
Figure 23
5. Thru front cover opening, remove 5/ 16
11
- 18 hex .
cap screw (F) (fig. 23) and spacer from clutch
linkage.
6. Remove four hex outs (D) (fig. 22). Raise counter•
shaft (C) slightly and slip timing belt (B) off
spindle pulley (A). Lower countershaft and slip
variable belt (E) off variable motor pulley (F).
7. Place countershaft on bench .
8. Remove bearing caps (D) (fig. 23), snap rings and
countershaft spindle (E) from bracket (C).
9. Twist variable belt off countershaft pulley.
CAUTION: Variable pulley is spring loaded and
will sn ap closed when belt is removed.
10. Place new variable belt on countershaft pulley.
11. Install spindle in couotershaft bracket and secure
in place with snap rings and bearing ca ps (D).
IMPORTANT: Make sure timing belt is in place
before installing bearing caps.
12. Standing on countershaft bracket, pull variable
belt into bottom of variable pulley sheaves (A·& B).
13. Position the couotershaft (C) (fig. 22) ~o variable
belt (E) can be slipped on motor pulley (F), then
raise couotershaft so timing belt (B) can be
slipped on spindle pulley (A).
14. Place couotershaft assembly on the four mounting
studs (D), then snug up the four hex nuts. Refer
to Tensioning Timing Belt steps 2-5.
15. Thru front cover opening, install 5/ 16" - 18 hex
cap screw and spacer in clutch linkage.
16. Remove lock pin (A, fig. 21) from variable cam
housing.
17. Start lathe motor.
14.2 5910
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