Gravely 992235 - Replacing Mower Belts

EN - 36
Replacing Mower Belts
(Figures 29 & 30)
NOTICE: Long PTO mower belt must be
removed to remove short mower belt.
1. Slowly release the tension on the long
mower belt idler (item 5) until all the
tension is removed from the springs
(item 3).
2. Remove the belt guide bolt (item 7) from
the idler arm.
3. Remove long mower belt (item 1) from
left blade sheave and remove from deck.
4. Slowly release the tension on the short
belt idler (item 4) until all the tension is
removed from the springs.
5. Remove short mower belt (item 2) from
right blade sheave and from deck. Idler
pivot bolt must be loosened slightly to
gain clearance to remove belt from
under idler pulley.
6. Arrange new mower belt(s) on deck
(short belt first). Retighten short mower
belt idler pivot bolt. Install belts on
sheaves. Put belts onto center sheave
last.
NOTICE: The PTO idler spring length range
is 12 1/4 – 12 1/2” (31 – 31.8 cm) measured
at a 3-1/2” (8.9 cm) cutting height. Adjust the
idler spring length as needed, see Figure 31.
7. Replace the belt guide bolt on the idler
arm.
8. Replace belt covers and return foot
board to closed position.
CAUTION: Use care when
releasing idler spring tension. Keep
body parts well away from idlers
when performing this operation.
Figure 28
1
1. Footboard in open position
Figure 29
1. PTO Mower Belt
2. Mower Drive Belt
3. Springs
4. Mower Drive Belt Idler
5. PTO Mower Belt Idler
6. Mower Clutch Sheave
7. Center Sheave
8. Belt Guide Bolt
1
2
4
7
6
5
3
8
3
992224, 225, 230, 231, 233, 234, 235, 244