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CHECK TIRE PRESSURE
See Specifications on page 38 for
recommended tire pressure.
WARNING: AVOID INJURY.
Explosive separation of tire
and rim parts is possible.
• DO NOT inflate tires above
the recommended pressure.
• DO NOT inflate tires with a
compressor; use a hand
pump.
• DO NOT stand in front of
tire assembly when
inflating. Use a clip-on
chuck and extension hose
long enough to allow you to
stand to one side.
• DO NOT mount a tire
without proper equipment
and experience.
CHECK CARBON CANISTER
FILTER
Models 991173, 991175, 991177
See Figure 15.
Clean or replace filter whenever engine air
filter is cleaned or replaced.
1
1
1. Carbon Canister Filter
Figure 15
CHECK FASTENERS
Check for loose or missing hardware.
LUBRICATE UNIT
1. Apply oil to all pivot points and pin
connections.
Lubricate Seat
See Figure 16.
1. Place unit in service position. See
Service Position on page 16.
2. Apply grease to seat tracks through slots
under seat plate.
3. Return seat to operating position and
slide seat back and forth to spread
grease along tracks.
CHECK MOWER BLADES
Check blades for wear. Replace or sharpen
as needed.
CAUTION: AVOID INJURY. Use
sturdy gloves or padding to
protect hands when working with
mower blades.
Rotation of one blade rotates the
other blades.
Remove Blades
1. Stop engine, remove key and wait for
moving parts to stop and for hot parts to
cool.
2. Disconnect spark plug wires.
3. Remove hardware securing blades to
spindles and remove blades. Retain all
hardware for reinstallation. See
Figure 17.
EN - 19
Figure 16
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