Shift Linkage Adjustment - Sabre 1338 Gear Technical Manual

TESTS AND ADJUSTMENTS
A
1. Unlock park brake and release pedal (A).
2. Measure clutch actuating spring length (B).
Measurement should be 42—45 mm (1.65—
1.77in.). Clutch actuating spring length is adjusted
by sliding rear idler sheave (C) on it's slotted
mounting bracket, as follows:
3. Depress brake/clutch pedal (A) and lock park
brake.
4. Remove belt guide (D) to access idler sheave
mounting nut (E). Loosen mounting nut and adjust
idler as follows:
• If spring length is less than 42 mm (1.65 in.), slide
idler rearward.
• If spring length is greater than 45 mm (1.77 in.),
slide idler forward.
5. Tighten idler nut (E).
6. Cycle pedal in and out two or three times
measuring clutch spring length each time.
Measurement must fall within 42—45 mm
(1.65—1.77 in.) each time. If not, continue to
adjust rear idler slightly until it does.
7. Install belt guide (D). This clutch spring setting
should provide proper belt tension to pull tractor up
a 17° slope in all three lower gears.
8. Install battery, if removed.
REPEAT TEST DRIVE
1. Repeat test drive in at beginning of this section.
2. If tractor fails either brake test, inspect brake
assembly components, replace as necessary, and
repeat all adjustment procedures and drive tests.
3. If belt is not excessively worn, make small
adjustments to idler sheave to obtain proper
response in traction drive system as follows:
• lengthening the clutch spring causes increased
drive traction and aggressiveness
2/12/97
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B
C
E
D
GEAR POWER TRAIN
• shortening the clutch spring causes decreased
drive traction and aggressiveness.

SHIFT LINKAGE ADJUSTMENT

Reason:
To ensure shift lever obtains all shift positions and that
neutral position does not allow transaxle to rotate.
Conditions:
• Remove deck
• Safely raise rear wheels 51 mm (2 in.) off ground
and block front wheels (front and rear).
• Shift lever in neutral.
• Park brake off.
Procedure:
A
1. Check that shift linkage hardware (A and B) is in
good condition and tight.
2. Start and run engine at fast idle.
3. Check that transaxle does not rotate while shift
lever (D) is in neutral position (C), and clutch/brake
pedal released.
C
B
D
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