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20 Lubrication and Maintenance
LUBRICATION and MAINTENANCE
• Lubricating and Maintaining Machine Safely
Help prevent bodily injury or
death caused by entanglement in rotating
driveline or blades. Entanglement in rotating
driveline or being struck by blades can cause
serious injury or death.
Components will be hot after operation.
Let all components cool before servicing.
Replace all shields after lubricating or servicing.
• Maintenance Check List
Perform scheduled maintenance as outlined below.
Lower machine to ground, turn off tractor and set
parking brake before doing maintenance inspections or
work. All bolts should be torqued as recommended in
the Torque Speci cations unless otherwise indicated.
• Maintenance Before Each Use
CAUTION: Do not clean, lubricate, or adjust
machine
while it is in motion.
1. Check tractor tire air pressure. Refer to tractor
op
erator’s manual.
2. Check blades and spindles to be sure that no foreign
objects such as wire or steel strapping bands are
wrapped around them.
3. Check blade bolts for tightness.
(Tighten to 425 ft. /lbs.)
IMPORTANT: Operating with loose blade hardware
will damage the blade holder and blades.
a. RC1048: Remove tailwheel tube assembly
support. (See
REMOVING AND INSTALLING
TAILWHEEL SUPPORT
in Service section.)
b. Locate blade hardware under hole.
Note: Blade bolt tightening requires a 1 1/2” socket
with extension, a torque multiplier, and a torque wrench
to torque nut to 425 ft./lbs.
c. RC1048: Reinstall tailwheel tube assembly
support in original position.
4. Inspect blades for wear. (See
SERVICE SECTION
Checking Blade Wear). Always replace both
blades on blade holder with genuine Frontier parts.
5. Make certain driveline shields are in place and
in good repair.
6. Inspect tailwheel for wear, damage, or foreign
objects. (Repair or replace if necessary.)
7. Before each use refer to
LUBRICATION LOCATIONS
AND INTERVALS
in this section.
8. During operation, listen for abnormal sounds
which might indicate loose part, damaged
bearings, or other damage.
• Maintenance After Each Use
1. Clean all debris from rotary cutter especially
under side of deck. When cleaning underside
of deck, securely block machine into position.
IMPORTANT: To help prevent structural damage
caused by lose hardware, check all hardware after
first eight (8) hrs of use and tighten all hardware
to specifications.
•
Observe Lubrication Symbols
Lubricate with John Deere SD
POLYUREA GREASE
or equivalent
SAE multipurpose-type grease (unless
otherwise speci ed) at hourly intervals
indicated on the symbols.
!
DANGER
!