40
Assembly
MAN0632 (5/15/2007)
BB60X, BB72X & BB84X Standard & Quick
Hitch Set-Up
1.
Leave A-frame and top link attached together.
2.
Remove bolt (60), spacer (10) and nut (12) from
front hole in brace bar (7).
3.
Assemble top link to brace bar with previous
hardware as shown in Figure 37.
Figure 37
. Diagonal Brace Bars to A-Frame
Connection - BB60X, BB72X & BB84X
INSTALL DRIVELINE
On BB48X or BB60X, select either the standard shear
bolt or optional slip clutch driveline.
Shear Bolt Driveline -
BB48X & BB60X Only
NOTICE
■
A grade 2 bolt must be used for the shear bolt to
provide gearbox protection.
1.
Remove rear drive shield (1) from driveline.
2.
Position clutch shield (5) against gearbox. Secure
using cap screw (7), lock washers (8), and flat
washers (9). Torque hardware to 12 lbs-ft.
3.
To prevent seal damage, carefully push driveline
onto gearbox input shaft until it contacts the
gearbox housing.
4.
Place retaining ring (6) in slot on input shaft and
snap into place.
5.
Align the holes in the driveline yoke and gearbox
input shaft. Install and tighten shear bolt (4) and
nut (3).
6.
Install rear drive shield to driveline.
7.
Lubricate rear driveline half and install front
driveline half.
8.
Attach tether chain to diagonal brace bar.
Figure 38
. Shear Bolt Driveline Assembly
(BB48X
&
BB60X
Standard)
Driveline Slip Clutch -
Optional on BB48X & BB60X
NOTICE
■
A grade 8 bolt must be used to attach clutch
driveline to gearbox.
A new slip clutch, or one that has been in storage over
the winter, may seize.
1.
Before operating slip clutch, make sure it will slip.
Refer to
Slip Clutch Adjustment, page 20
.
2.
Position clutch shield (3) against gearbox. Secure
using cap screw (4), lock washers (5), and flat
washers (6). Torque hardware to 12 lbs-ft.
6. A-Frame bar
7. Diagonal brace bar
8. Sleeve, .75 x 1.25 x 3.0
9. Top link
10. Sleeve, .626 x 1.00 x 1.26
12. 5/8 NC Flanged lock nut
BB60X, BB72X & BB84X
1. Driveline shield
2. Input shaft (slot)
3. 1/2 NC Lock nut
4. 1/2 NC x 3 Cap screw GR2 (Shear Bolt)
5. Clutch shield
6. Retaining ring
(Rev. 5/10/2009)