Bolens QS Series Service Manual page 72

QS, QT & 1900 SERIES
TRACTORS
Page 5-8 REV. 4/83
CHASSIS (Continued)
POWER TAKE-OFF (P.T.O.}
6. Remove idler spring (D).
7. Remove old belts.
8. Reverse above procedure to
install new belts.
NOTE:
IF THE P.T.O. BRAKE AD-
JUSTMENT HAS BEEN DIS-
TURBED WHILE REPLACING
THE BELTS READJUST AS
SHOWN.
CABLE ADJUSTMENT
Should the belts on the attach-
ment drive slip adjust as follows:
1. Loosen the two capscrews
"A" Figure 5-17 on the Left
side of the tractor console.
2. Move bracket "B" down in
slots.
3. Test control for proper-belt
tension.
BRAKE SHOE ADJUSTMENT
MODEL 1660 (QS-16)
Should the Attachment Drive
Brake need adjustment proceed
as follows:
1. Loosen two hex nuts and
capscrews "A" Figure 5-18.
2. Move brake shoe up in slots
until there is .012 inch clear-
ance between the brake
shoe and the rim of the
Attachment Drive Sheave.
MODEL
1660
FIGURE 5-17
MODEL
1660
FIGURE 5·18
ATTACHMENT DRIVE
BRAKE ADJUSTMENT
MODEL 1666 (QT-16 & QT-17)
& 1966
REMOVAL
NOTE:
DO NOT USE WHEEL PULLER
TO REMOVE CLUTCH/BRAKE.
Disconnect polarized plug (A)
Figure 5-19 from clutch.
Remove four locknuts (B) and re-
move brake plate mounting.
Remove mounting bolt from center
of crankshaft.
Remove sheave and armature
assembly.
Remove rotor assembly.