Sabre 1338 Gear, Техническое руководство

Страница: 113 / 191

HYDROSTATIC POWER TRAIN
DIAGNOSIS
6 - 28
2/12/97
DIAGNOSIS —K51
Test Conditions:
• Tractor operated in test area. • Tests run at engine slow idle and fast idle.
• Engine at operating temperature. • Hydro run through full range of speeds in both
directions.
Test/Check Point Normal If Not Normal
1. Shift linkage Shift linkage adjusted properly and working
smoothly. Repair or replace as needed.
2. Brake linkage and
assembly
Brake and brake linkage adjusted properly
and working smoothly. Adjust as needed. See “BRAKE
SPRING ADJUSTMENT—K51”
on page 34.
Repair or replace as needed.
Brake components not worn or damaged. Repair or replace as needed.
3. Neutral return linkage Neutral return linkage adjusted properly
and working smoothly. Adjust as needed.
Repair or replace as needed.
Test Conditions:
• Tractor on level surface. • Front wheels blocked.
• Engine OFF. • Rear wheels raised off surface with axle housings
on jack stands.
Test/Check Point Normal If Not Normal
4. Hydro housing exterior No cracks, leaks, or loose hardware. Tighten hardware.
Repair or replace transaxle
housing. Replace any damaged
components.
5. Transport (free wheeling)
valve and linkage
Transport linkage engaging and
disengaging properly. Repair or replace linkage as
needed.
6. Internal hydro components NOTE: If internal hydro component parts are suspected (after
performing all external checks and adjustments) CALL SABRE
SERVICE DEPARTMENT FOR AUTHORIZATION TO REPLACE
TRANSAXLE ASSEMBLY.
www.servicemanualall.com