Gravely Promaster 252 Owner's And Operator's Manual page 21

Height Adjusters
NOTE: On diesel units, height
adjusters are on the opposite
side of the rear arms.
MOWER DRIVE BELT AND PTO BELT ACCESS
1. Lower the mower deck.
2. Place seat in most rearward position.
3. Place foot board in open position (figure 19).
4. Secure raised footboard with latch.
3
Figure 19
PTO BELT REMOVAL
WARNING: MOVING PARTS can cut or amputate
body parts. ALWAYS wait for moving parts to stop
before performing maintenance or service.
DO NOT place
blocks under
reinforcement bar.
Figure 18
1. Footboard in
open position
2. Frame
3. Latch
1
2
CAUTION: DAMAGED OR WORN BELTS may
result in injury and/or damage to unit. Check belts
for excessive wear or cracks often.
NOTE: On XDZ models (992111, 113, 115, 117, 121, 123,
124, 125, 126), the Ogura electric clutch can be adjusted if
the clutch starts to slip. Contact your Gravely dealer for this
adjustment.
Removal (Figure 20)
1. Open footboard (see MOWER DRIVE BELT AND PTO
BELT ACCESS on page 25)
2. Remove left hand belt cover from mower deck.
CAUTION: Use care when releasing idler spring
tension. Keep body parts well away from idlers
when performing this operation.
3. Place 1/2-inch driver and ratchet extension into square
hole in PTO belt idler.
4. While pulling PTO belt idler towards rear of unit, remove
PTO mower belt from PTO belt idler.
5. Slowly release tension on PTO belt idler until all tension
is removed from springs.
6. Remove PTO mower belt from blade spindle pulleys,
idler pulleys, and electric clutch.
1. PTO Belt
2. Square Hole
3. Springs
4. Drive Belt Idler Pivot Bolt
5. Drive Belt Idler
6. Mower Drive Belt
Installation (Figure 20)
1. Install the new PTO belt on electric clutch, idler pulleys,
OF3580
and blade spindle pulleys.
2. Place 1/2-inch driver and ratchet extension into square
hole in PTO belt idler.
3. While pulling PTO belt idler towards the rear of unit,
install PTO mower belt on PTO belt idler.
4. Slowly release the tension until PTO belt idler is firmly
against PTO belt.
GB - 25
3
2
1
10
9
7. Blade Spindle Pulleys
8. PTO Belt Idler
9. Electric Clutch
10. Idler Pulleys
Figure 20
4
5 6
7
8
OF3229