Tests And Adjustments; Mower Belt Tension Adjustment - Sabre 1338 Gear Technical Manual

TESTS AND ADJUSTMENTS

TESTS AND ADJUSTMENTS
BEFORE PERFORMING
ADJUSTMENTS:
1. Depress clutch/brake pedal fully and set parking
brake.
2. Place gearshift lever in neutral (N) position.
3. Place PTO lever in "DISENGAGED" position.
4. Turn ignition key "OFF" and remove key.
5. Make sure the blades and all moving parts have
completely stopped.
6. Disconnect spark plug wire from spark plug and
place wire where it cannot come in contact with
plug.
SPINDLE BRAKE ADJUSTMENT
?
Spindle brake engagement must be checked and
corrected every time the belt tension is adjusted.
Belt tension should be adjusted, if required,
before brakes are adjusted.
1. Park mower on a hard, smooth surface. Stop
engine, remove key, wait for moving parts to stop
and remove wire from spark plug to prevent
accidental starting.
2. Place cutting unit in lowest setting.
3. Engage mow lever.
4. Remove belt guard if necessary.
IMPORTANT: There are two (2) spindle brakes on
the 38 inch deck and three (3) spindle brakes on
the 46" deck. All Brakes must be adjusted.
3/5/97
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ANY SERVICE
CAUTION
2-3 mm
(0.078"-0.118")
Adjustment
Nut
Brake
5. Measure distance from brake surface to pulley
braking surface.
Specifications:
OR
Brake to Pulley
Distance ............................. 2–3 mm (0.08–0.12 in.)
6. If not to specification adjust nut on end of brake rod
to set brake at proper distance from pulley.
7. Reinstall belt covers if removed.
8. Connect spark plug.
MOWER BELT TENSION
ADJUSTMENT
?
Spindle brake adjustment must be checked
every time the belt tension is adjusted. Perform
brake adjustment after belt tension adjustment.
1. Park mower on a hard, smooth surface. Stop
engine, remove key, wait for moving parts to stop
and remove wire from spark plug to prevent
accidental starting.
2. Place cutting unit in lowest setting.
3. Engage mow lever.
20-25 mm
(0.781-0.984 in.)
4. Measure distance from bracket to washer on
tension rod.
Specifications:
Bracket to Washer
Distance . . . . . . . . . . . 20—25 mm (0.78—0.98 in.)
5. If adjustment is required:
• Disengage Mow lever.
• Remove spring pin clip and washer from tension
rod and remove rod from blade drive lever.
ATTACHMENTS
CAUTION
8 - 9