Gravely Pro-Walk Hydro 36HR PS Owner's/Operator's Manual page 37

A
Frame
Hex
Nut
Deck
Figure 35
6. Install HOC rod on deck using hardware
removed in step 4. Ensure that spacer is
positioned between deck and trunnion.
7. Tighten trunnion jam nut (B).
8. Reset deck height of cut. Refer to See
Check Neutral on page 26.
9. Measure blade height from front to back
and side to side. Ensure that deck is
level from side to side and that rear-to-
front rake (angle) is 3/16 in. (4,8 mm)
higher at rear.
Checking for Bent Mower Blades
CAUTION: Avoid injury! Mower
blades are sharp. Always wear
gloves when handling mower blades
or working near blades.
Only replace blades. Never
straighten or weld them.
1. Park unit safely. (See PARKING on
page 20.)
2. Measure distance (A) between blade tip
and flat ground surface. See Figure 36.
3. Rotate blade 180° and measure
distance between other blade tip and flat
ground surface.
4. Install new blade if the difference
between the two measurements is more
than 1/8-in. (3 mm).
5. Repeat for all blades.
Mower deck shown with side discharge
removed for illustration only.
B
Removing Mower Blades
See Figure 37.
Bolt
C
1. Park unit safely. (See PARKING on
page 20.)
2. Turn the engine off. Remove the ignition
key. Remove the ignition wire from the
spark plugs.
3. Secure blade with a wooden block to
prevent blade rotation.
4. Remove bolts (C), blades (B) and
spacers (A) from the spindle shafts.
Spindle
A
B
EN - 37
A
Figure 36
WARNING: Sharp edges can cut.
Moving parts can cut off fingers or a
hand. Wrap blade(s), wear sturdy
gloves and use extreme caution
when servicing. On multi-blade
mowers, rotation of one blade will
cause all blades to rotate.
Figure 37
C