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Figure 4-1 B (5) 30 Shots Before Each Use
(1) 3 Shots Before Each Use
(5) 10 Shots Before Each Use -
(Access through holes in shields of
telescoping driveline)
(9) 40 Hrs
(7) 40 Hrs
(3) Before
Each Use
(4) Before Each Use (10) 40 Hrs
(11) End Of Season
(8) 40 Hrs
Figure 4-1 C
4-3 SPINDLE BELT ADJUSTMENT
Belt tensions should be checked every 40 hours to
get maximum life from drive belts and best perfor-
mance from the cutter. Belt tension is adjusted by
increasing or decreasing the length of the spring on
the moveable idlers. For proper belt tension on
the mower, the spring lengths should be set at 2-
7/8”. (Figure 4-2) To adjust the spring length, loosen or
tighten the 1/2” hex nuts on the spring adjustment rod
until the correct spring length is reached.
4-4 SPINDLE BELT REPLACEMENT
Use only genuine Bush Hog replacement parts.
A. Flip up black latches and remove right and left
side shields. To remove the outside shields on the
wing cutter decks, the wings must be in the folded
position.
B. Relieve spring tension by loosening the two 1/2”
hex nuts on each spring adjustment rod. (Figure 4-2)
C. Remove old belt.
D. Install new belt as shown below. (Also refer to
the decal on underside of belt shield)
1. Disconnect the adjustment rod from the idler
assembly. (Figure 4-2)
2. Place belt into the groove on the driving
sheave.
3. Work the belt over the other sheaves.
4. Connect the adjustment rod and the idler
assembly.
5. Tighten the compression springs on the
drive to 2-7/8” long. Tighten the jam nut on the
adjustment rod.
6. Replace all shields before operating machine.
Figure 4-2 Spindle Belt Diagram
Adjustment Rod
& Spring
Idler Assembly
Driving Sheave
At Gearbox
2-7/8”
11
(10) 40 Hrs