DEALER SERVICE The information in this section is written for dealer service personnel. The repair described here requires special skills and tools. If your shop is not properly equipped or your mechanics are not properly trained in this type of repair, you may be time and money ahead to replace complete assemblies.
4. Disassemble split taper bushing (5) (located on top of pulley) by removing the two bolts (2) and washers (4). 5. Insert bolts (2) into the threaded holes of bushing flange. 6. Tighten bolts alternately to remove split taper bushing. 7. Remove pulley (6).
Before working underneath, read manual instructions, securely block up, and check stability. Secure blocking prevents equipment from dropping due to hydraulic leak down, hydraulic system failure, or mechanical component failure.
8. Remove bolts (19) that attach spindle to mower frame and remove spindle. 9. Remove grease fitting (21) from top of shaft.
Keep all persons away from operator control area while performing adjustments, service, or maintenance.
Always wear relatively tight and belted clothing to avoid getting caught in moving parts. Wear sturdy, rough-soled work shoes and protective equipment for eyes, hair, hands, hearing, and head; and respirator or filter mask where appropriate.
BLOCKING METHOD NOTE: SEE BLOCKING METHOD, PG. 19
BLADE SPINDLE SERVICE Spindle Repair Spindle repair requires special skills and tools. If your shop is not properly equipped or your mechanics are not trained in this type of repair, you may be time and money ahead to use a new spindle assembly. For reference, the grease fitting is in the top of the spindle shaft. Permatex®1 3D Aviation Form-A-Gasket or equivalent is recommended as a sealant
Spindle Removal (Figure 13) 1. Remove blade from spindle. 2. Remove belt from pulleys. 3. Remove jam nut (1) and washer (3) from top of spindle shaft. 1. Permatex is a registered trademark of the Permatex Corporation.
MAN0826 (8/31/2010)
1. 2. 3. 4. 5. 6. 19. 21.
Nut, jam 7/8 NF Screw, HHCS 1/4 NC x 1 GR5 Washer, lock .929 x 1.66 Washer, lock 1/4 Bushing, H 1 straight bore w/key Sheave, H 1 BK Screw, HHCS 1/2 NF x 1-1/4 GR5 Grease fitting
Figure 13. Sheave and Blade Assembly
Dealer Service 27
