Transaxle Installation-K55; Transaxle Bleed Procedure-K55 - Sabre 1338 Gear Technical Manual

REPAIR
4. Install breather valve assembly (E) and fill cap (B).
Tighten cap screws to 24 N•m (17 lb-ft.)
Install Fan and Drive Sheave—
D
1. Assemble fan to transaxle drive sheave using two
fan holes (C). Two washers and nuts (B) go under
fan. Bottom fan lip (D) goes towards transaxle.
2. Install sheave/fan assembly to pump input shaft with
cap screw and washer (A). Tighten cap screw to
specification 20 N•m (168 lb-in.)
Quick Transaxle Bleed Procedure:
1. Turn transaxle over.
2. Remove recess plug (A) from bleed port stack.
3. While you pour new oil into hole, have a helper hold
transaxle off bench and turn brake disc to rotate
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A
B
C
A
A
HYDROSTATIC POWER TRAIN
motor shaft and bleed internal pump, motor, and
center block assembly.
4. Stop pouring oil when oil reaches bottom of hole.
Apply Pipe Sealant with Teflon® or Teflon® tape to
pipe plug. DO NOT allow any tape to enter internal
portion of bleed port stack. Tighten plug to 8 N•m
(72 lb-in.).
TRANSAXLE INSTALLATION—K55
See "TRANSAXLE REMOVAL AND INSTALLATION—
K55" on page 41
TRANSAXLE BLEED
PROCEDURE—K55
1. With vehicle parked on a flat level surface,
preferably outside and away from all obstructions,
check transmission oil. Top of if required.
2. Safely raise and block frame so that rear wheels are
a minimum of 51 mm (2 in.) off the surface. Chock
front wheels.
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CAUTION
Vehicle must be blocked and chocked in such a
fashion that it will not move when engine is
running. DO NOT park vehicle facing wall.
Operator should be in seat during this procedure
to prevent inadvertent run always if vehicle
should come off blocks.
3. Run engine at SLOW idle.
4. CAREFULLY engage and disengage transport (free-
wheel) lever while helper pushes shift lever into
forward, neutral, and reverse. Repeat several
times.
5. When drive wheels start to turn, shift to neutral and
be sure transport lever is disengaged.
IMPORTANT: TURN OFF ENGINE.
6. Safely lower tractor to surface.
7. Recheck and top-off oil level.
8. Sit in seat, shift into forward, and, if necessary, have
helper push tractor until transaxle drives tractor
under its own power.
9. Move throttle lever to fast idle and alternate shift
lever between forward and reverse several times
until transaxle is responsive and obtains full
forward speed of 8 km/hr (5 mph) and reverse
speed of 4.2 km/hr (2.6 mph).
10. Recheck and top-off oil level.
Test and Adjust Entire Traction Drive System
See See "TESTS AND ADJUSTMENTS" on page 30
for relevant procedures.
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