REV A 6-2 127180
To adjust the spring tension, loosen the jam nut on the
eyebolt. Then, tighten the eyebolt until the spring is the
appropriate length as shown in the table.
Measure the length from the inside of one hook to the
inside of the other hook. Tighten the jam nut on the other
side once the distance is set. Figure 6-4
Blades
Mower blade maintenance
Refer to the Mower Blade Replacement section for blade
removal and installation.
Check the mower blades daily as they are the key to power
efficiency and well groomed turf. Keep the blades sharp. A
dull blade will tear rather than cut the grass, leaving a brown
ragged top on the grass within a few hours. A dull blade also
requires more power from the engine.
Replace any blade which is bent, cracked or broken.
Sharpen the blades on a grinder following pattern as
shown (Figure 6-5). Touch-up sharpening can be done with a
file.
After grinding the blades, check for balance. Blade
balancing can be done by placing the blade on an inverted
line punch or 5/8" bolt. A commercial balancing tool is also
available through most hardware supply stores.
The blade should not lean or tilt. When spinning the blade
slowly it should not wobble. Balance the blade before
reinstalling.
DECK SIZE SPRING LENGTH
36"
8.4" ± .12"
(213.36 mm ± 3 mm)
48"
7.5" ± .12"
(190.5 mm ± 3 mm)
52"
7.7" ± .12"
(195.6 mm ± 3 mm)
60"
8" ± .12"
(203.2 mm ± 3 mm)
A. Nut B. Eyebolt
Figure 6-4
Never attempt to straighten a bent blade by heating,
or weld a cracked or broken blade as the blade may
break and cause serious injury. Replace worn or
damaged blades.
Repairs or maintenance requiring engine power
should be performed by trained maintenance
personnel only.
Unless specifically required, DO NOT have the
engine running when servicing or making
adjustments to the mower.
• Park the mower on level ground
• Disengage the deck clutch.
• Place the steering control levers in the park
brake position.
• Lower the deck.
• Stop the engine.
• Remove the ignition key.
• Disconnect the negative battery cable.
• Block up mower when you must work under
it.
Always check for blade damage if mower strikes a
rock, branch or other foreign object during mowing!
Always wear adequate eye protection when grinding
mower blades.
Mower blades are sharp and can cut. Wrap the
blade(s) or wear gloves and use extra caution when
servicing them.
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