Gravely 915076, Owner'S/Operator'S Manual

Page: 17 / 28

GB - 17
REMOVING MOWER DECK
Remove (Figure 13)
1. Remove PTO belt from electric clutch (see REPLACING
PTO BELT on page 20).
NOTE: Perform step 2 and 3 for the right and left side of
unit.
2. Remove guide arm from front mount bracket.
3. Remove rear lift link, rear trunnion, front lift link, and
front trunnion from mower deck and mower lift.
4. Slide mower deck out from under unit.
Install (Figure 13)
1. Slide mower deck under unit.
NOTE: Perform step 2 and 3 for the right and left side of
unit.
2. Install rear lift link, rear trunnion, front lift link, and front
trunnion on mower deck and mower lift.
3. Install guide arm on front mount bracket.
4. Install PTO belt on electric clutch (see REPLACING
PTO BELT on page 20).
OPENING DECK ACCESS PLATE
1. Install adjustment pin in the first adjustment hole
(figure 14).
2. Remove the knob located between the deck and the
access plate (figure 14).
3. Raise deck access plate.
REPLACING MOWER BLADE
Remove (Figure 15)
1. Block mower blades to prevent rotation.
2. Remove mounting hardware and mower blades from
mower deck.
Install (Figure 15)
1. Install mower blades on mower deck with mounting
hardware.
2. Torque 5/8-inch hex bolt to 80 to 120 lbf-ft (108 to 163
N•m).
SHARPENING MOWER BLADE
1. Remove mower blade from unit (see REPLACING
MOWER BLADE on page 17).
Gravely recommends having mower blades sharpened by a
professional. Contact your Gravely dealer.
Discard mower blade if (figure 16):
• more than 1/2 in. (1.27 cm) of metal is removed.
• the air lift erosion area is eroded.
• the mower blade is bent or broken.
Do not change angle of cutting edge or round the corner at
the end of mower blade.
2. Sharpen mower blade by removing an equal amount of
material from each end of mower blade.
Figure 14
1. Adjustment Pin
2. Deck Access Plate
3. Knob
1
2
3
CAUTION: Mower blades are sharp and can cut
you. Wrap the blades or wear gloves, and use extra
caution when servicing them.
CAUTION: DO NOT sharpen mower blade while on
unit. An unbalanced mower blade will cause
excessive vibration and eventual damage to unit.
Check mower blade balance prior to reinstalling
mower blades.
NEVER weld or straighten mower blades.
1
2
1. Flat Washer
2. Bevel Washer 3. 5/8-inch Hex Bolt
4. Mower Blade
3
4
Figure 15