User Guide

Assembly 41
MAN0654 (Rev. 10/19/2007)
Figure 36. Three-Joint Drive Installation
Install Three-Joint Drive
Refer to Figure 36.
1. Position shield (13) against the gearbox and
secure with cap screw (15), lock washer (16), and
flat washer (14). Torque to 12 lbs-ft.
2. Attach rear half (1) of drive to PTO shaft and
secure with two cap screws (17) and lock nuts (18).
3. Grease forward two inches and all sides of rear
drive. Slide front drive half (2) onto rear drive.
4. Place carrier bearing holder (3) between H-frame
(19) and secure in adjustment hole with clevis pin
(4) and cotter pins (5).
5. Place drive shield (6) over carrier bearing holder
and secure with two cap screws (7) and two lock
washers (8).
6. Install cap screw (9), sleeve (10), lock washer (11)
and hex nut (12) to top hole of H-frame.
INSTALL DUAL TAILWHEEL
BB720X & BB840X (OPTIONAL)
1. Attach dual tailwheel (1) to main frame (2) using
position 5B and desired height adjustment holes as
shown in Figure 37.
2. Secure with cap screws (3) and hex nuts (4).
3. Torque hardware to 175 lbs-ft.
Figure 37. Dual Tailwheel Installation
1. Rear drive half
2. Front drive half
3. 3-Joint drive bearing
4. 1/2 x 5-3/4 Clevis pin
5. 3/16 x 1-1/2 Cotter pin
6. Drive shaft shield
7. 3/8 NC x 1 GR5 Cap screw
8. 3/8 Lock washer
9. 1/2 NC x 5-1/2 GR5 Cap screw
10. 1/2 x 3-9/16 Spacer
11. 1/2 Lock washer
12. 1/2 Hex nut
13. Clutch shield
14. 5/16 Flat washer
15. 8 x 1.25P x 20 mm Cap screw
16. 5/16 Lock washer
17. 12 x 1.5P x 65 mm Cap screw
18. 12 mm Hex lock nut
19. H-Frame assembly
1. Dual tailwheel
2. Deck, BB720X & BB840X
3. 5/8 NC x 2-1/2 Cap screw
4. 5/8 Flange lock nut
(Rev. 4/24/2009)