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10
SECTION 4 - MAINTENANCE
WARNING
DO NOT attempt any maintenance, adjustments, or
service with the engine or blades running. STOP
engine. STOP blades. SET brake. REMOVE key. Allow
all machinery to stop before leaving operators
position or approaching mower.
3.1 INTRODUCTION
Proper maintenance is extremely important.
Failure to perform the following maintenance can
adversely affect the performance of the mower,
decrease the life of the mower, and can cause
the mower to be unsafe to operate. Perform the
following steps at the recommended intervals.
Inspect the mower frequently for loose, missing,
damaged and worn components. Fix or replace
those components immediately. To retain the
original quality of the FM7300 Finishing Mower,
use only genuine SNAPPER replacement parts.
Contact a local SNAPPER Dealer for parts &
service assistance. SNAPPER recommends
returning the mower to an authorized SNAPPER
Dealer annually for inspection and addition of any
new devices which might upgrade the safety of
the mower.
3.2 SERVICE - AFTER FIRST 5 HOURS
3.2.1. Inspect mower. Carefully inspect entire
mower for loose, missing, damaged and worn
components. All guards, shields and deflectors
must be in place. Repair and replace as required.
3.2.2. Inspect mower blades. Check blades
for flatness, sharpness, wear and damage. See
section “Mower Blade Repair/Replacement” for
blade wear limits, sharpening and replacement
instructions.
3.2.3. Inspect mower belt. The mower belt
does not require adjustment. Visually check belt
for signs of deterioration. Replace as required.
See section "Mower Belt Replacement” for
instructions.
3.2.4. Inspect and lubricate driveline.
WARNING
Contact with rotating driveline can cause death. A
high percentage of driveline injuries occur when
safety shielding is missing or not functioning
properly. Frequent inspections and proper
maintenance is essential for the safety of the operator
and others. STOP engine. STOP blades. REMOVE key.
Allow all machinery to stop before approaching.
3.2.4.1. Inspect driveline, tractor and mower
shields. All shielding must be in place and
functioning properly. Be sure the driveline
shielding is not damaged and that shields rotate
freely on the driveline. See section “Driveline
Repair” for instructions.
3.2.4.2. Lubricate U-joint bearings. Rotate
flexible cone shield to align access hole with
grease fitting. Apply 2 to 3 shots of General
Purpose grease from a grease gun.
3.2.4.3. Lubricate driveline shield bearings.
Locate grease fitting on flexible cone shield.
Apply 2 to 3 shots of General Purpose grease
from a grease gun.
3.2.4.4. Lubricate driveline telescoping tubes.
Slide driveline apart. Wipe male surface of tube
with grease. Carefully insert tubes, making sure
that the driveline shields are aligned and not
binding.
3.2.5. LUBRICATE MOWER COMPONENTS
3.2.5.1. Mower spindle housings. Apply 2 to 3
shots of grease (Kendall NLGI No. 2 Lithium
grease).
NOTE: The spindle housings are equipped with a
grease purge valve. The valve is located on the
housing below the deck. The spindle housing has
been properly lubricated when grease exits the
purge valve.
3.2.5.2. Mower Caster Bushings. Apply 1 to 2
shots at each of the four locations.
3.2.5.3. Mower Caster Wheel Bearing. Apply 1
to 2 shots at each of the four locations.
3.2.5.4. Mower Belt Idler Arm. Apply 1 to 2
shots of grease at idler arm pivot.
3.2.5.5. Mower Gear Box. Check fluid level in
gear box. Remove breather/filler plug located on
top of gear box. The gear box holds 20 ounces of
SAE 90 EP gear lube. Reinstall plug. DO NOT
over tighten.
3.3 SERVICE - EVERY 25 HOURS
Perform all inspections, and lubricate all items as
specified in the section “Service - After First 5
Hours”. The 25 hour service interval is the
maximum interval recommended between
services. Certain applications will require more
frequent service intervals. Inspect mower before
each use.
3.4 SERVICE - ANNUALLY
In addition to the regular maintenance the
following components of the finishing mower
should be carefully inspected for wear or
damage. Replace worn or damaged parts with
genuine SNAPPER replacement parts available
from an authorized SNAPPER Dealer.
3.4.1. Caster Bushings
3.4.2. Caster wheel bearings.
3.4.3. Mower spindle housing bearings.
3.4.4. Driveline U-joint bearing.
3.4.5. Driveline rotating shield bearings.