Gravely Promaster 260Z Owner's/Operator's Manual page 21

6. Loosen locknuts on the side where chains are slack and
slide bolt down the slot until chain is tight.
7. Tighten bolt and nuts in mower mounting brackets.
8. Lift mower and remove blocks.
9. Measure height of deck at each side. Measurements
must be within 1/16 in. (1.5 mm) of each other.
10. If measurements are out of range, fix by adjusting
chains on low side of deck.
11. Once deck is level side to side, measure height of deck
at middle of front and on both sides of rear. Front of deck
should be 1/8 in. (3 mm) lower than rear.
Right Side View
9
8
5
4
6
1. Rod
2. Rear Hex Nut
3. Front Hex Nut
4. Chains
5. Lock Nuts and Slots
12. To adjust, loosen rear hex nut of front mower lift pivot on
each rod.
13. Turn front hex nut on each rod until mower is 1/8 in.
(3 mm) lower in front.
NOTE: If mower cannot be leveled, it may be necessary to
loosen rear nut of rear mower lift pivot to get more threads at
front of rod for adjustment. After loosening rear nut and
adjusting level, tighten front nut on rear mower lift pivot.
14. Tighten rear hex nut on each rod that was loosened in
step 12.
MOWER DRIVE BELT AND PTO BELT ACCESS
DANGER: MOVING PARTS can cut or amputate
body parts. ALWAYS wait for moving parts to stop
before performing maintenance or service.
1. Lower mower deck.
2. Place foot board in open position (figure 15).
3. Secure raised footboard with latch.
2
1
5
4
Front of Unit
6. Mower Mounting Brackets
7. Front Mower Lift Pivot
8. Rear Mower Lift Pivot
9. Hydraulic Lift Cylinder
Figure 14
1. Footboard in open
3 position
7
2. Footboard in closed
position
PTO BELT REMOVAL
Removal (Figure 16 and 17)
1 2
6
2
1
OF1920
10
1. PTO Belt
2. Square Hole
3. Springs
4. Drive Belt Idler Pivot Bolt
5. Drive Belt Idler
6. Mower Drive Belt
1. Open footboard (see Mower Drive Belt and PTO Belt
Access on page 21)
2. Remove left hand belt cover from mower deck.
GB - 21
1
4
3. Frame
4. Latch
Figure 15
6
5
3 4
3
4
5 6
9
7. Blade Spindle Pulleys
8. PTO Belt Idler
9. Electric Clutch
10. Idler Pulleys
Figure 16
2
3
OF1802
72-Inch Belt
Layout
7
8
60-Inch Belt
Layout
7
8
OF3229