Gravely Pro-Stance 1934FX Owner's/Operator's Manual page 28

17.5 - 18.1 cm
(6-7/8 - 7-1/8 in)
A
2. Connect idler tension spring and adjust tension. The length (B)
of the tension spring should measure 17.5 - 18.1 cm
(6-7/8 - 7-1/8 in) from inside of hook to inside of hook.
3. Install both mower deck belt shields.
4. Install mower deck shield.
5. Adjust mower deck to desired cutting height.
Checking for Bent Mower Blades
CAUTION: Avoid injury! Mower blades are sharp.
Always wear gloves when handling mower blades or
working near blades.
Replace blades if defective. Never straighten or weld
them.
1. Park machine safely. (See Parking Safely in the SAFETY
section.)
2. Raise mower to highest position to access blades.
Picture Note: Mower deck with side discharge used for illustration.
3. Measure distance (A) between blade tip and flat ground
surface.
4. Rotate blade 180° and measure distance between other blade
tip and flat ground surface.
5. Install new blade if the difference between the two
measurements is more than 3 mm (1/8 in.).
6. Repeat for all blades.
B
Checking and Replacing Mower Blades
CAUTION: Avoid injury! Do not work near raised mower
deck unless it is safely supported.
Mower blades are sharp. Wrap blades or wear gloves
when servicing.
Before performing any service function, wait for all
moving parts to stop turning.
Disconnect battery or remove spark plug wire before
making repairs.
IMPORTANT: Avoid Damage! When replacing mower blades,
always use genuine Gravely Service Parts.
NOTE: Only replace blades. Never straighten or weld them.
Checking Mower Blades
1. Park machine safely. (See Parking Safely in the Safety
Section).
2. Raise the mower deck to the transport position (also the 12.7
cm [5 in.] cutting height position).
3. Raise front of machine with a safe lifting device.
• Support with jack stands and/or wooden blocks.
4. Check mower blades:
• Mower blades should be sharp and free of any damage.
• Inspect blades; sharpen/balance or replace as necessary.
Replacing Mower Blades
1. Remove blade bolt (A), three 1/4 in. washers (C) and blade
(B).
2. Install replacement blade:
• Blade wing must face toward top of mower deck.
IMPORTANT: Avoid Damage! When installing the blade:
• Make sure the blade is properly seated on the spindle.
• Make sure the concave side of the large washer faces
towards the blade.
• Install blade bolt (A), blade (B) and three 1/4 in. washers (C).
• Tighten blade bolt to 163 N•m (120 lbf-ft).
3. Lower machine.
4. Adjust mower deck to a desirable cutting height.
GB - 28