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SECTION 4 - Maintenance
4-1 MAINTENANCE CHECKLIST
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 recom-
mended in the Torque Specifications unless otherwise indicated.
BEFORE EACH USE:
1.
Check tractor tire air pressure. Refer to tractor operator'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 325 ft./lbs. (814 NM) on model RC30)
4.
Inspect blades for wear. Replace if necessary per paragraph 4-3. Always replace both blades on
blade holder with two blades equal in weight.
5.
Make certain driveline shields are in place and in good repair.
6.
Inspect wheel for wear, damage, or foreign objects. (Repair or replace if necessary)
7.
Perform BEFORE EACH USE lubrication per paragraph 4-2.
8.
During operation, listen for abnormal sounds which might indicate loose parts, damaged
bearings, or other damage.
AFTER EACH USE:
1.
Clean all debris from rotary mower, especially under side of deck. When cleaning underside of
deck, securely block machine into position.
4-2 LUBRICATE AS FOLLOWS: (See Figure 4-1 & 4-2)
NOTE:
The multi-purpose grease referenced in this section is a NLGI Grade 2 type grease.
BEFORE EACH USE:
1.
Driveline Universal Joints - Apply multi-purpose grease with a grease gun.
2.
Driveline Guard - (See Figure 4-2) Apply 2-3 shots of multi-purpose grease with grease gun to
plastic fitting.
3.
Driveline - Disconnect PTO driveline, pull two sections apart and apply thin coat of multi-
purpose grease to inside of outer female section. Re-assemble sections and install. Pull each
section to be sure driveline and shields are securely connected. Make certain PTO shielding is
in good condition.
4.
Wheel Pivot Tube - Apply multi-purpose grease with grease gun.
5.
Tailwheel - Apply multi-purpose grease with grease gun.
6.
Gearbox - Check oil level by removing oil level check plug on side of gearbox. Add EP80W-90
gear oil if necessary to bring oil level to check plug hole.
AT THE END OF YOUR MOWING SEASON:
1.
Drain and change the oil in your gearbox.
2.
Check (and replace where necessary) blades, bolts, and nuts on the machine.
3.
Clean machine and touch up any rust spots that may have appeared.
4.
Replace any safety signs if damaged.
5.
Store rotary mower in a clean dry location.
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