Land Pride RCR1548 Operator's Manual page 24

Section 5: Maintenance & Lubrication
Section 5: Maintenance & Lubrication
Maintenance
Proper servicing and adjustments are key to the long life
of any implement. With careful inspection and routine
maintenance, you can avoid costly downtime and repair.
Check all bolts after using the unit for several hours to be
sure they are tight. Replace any worn, damaged, or
illegible safety labels by obtaining new labels from your
Land Pride Dealer.
!
WARNING
To prevent serious injury or death:
•
Always disconnect driveline from power take-off shaft
before servicing underside of cutter. The tractor can be
started with power take-off engaged.
•
Always secure equipment with solid supports before
working under it. Never work under equipment supported
by concrete blocks or hydraulics. Concrete blocks can
break, hydraulic lines can burst, and/or hydraulic controls
can be actuated even when power to hydraulics is off.
•
Do not operate cutter with blades that are out-of-balance,
bent, excessively worn, excessively nicked, or with blade
bolts that are excessively worn. Such blades can break loose
from the cutter at high speeds causing serious injury or
death.
•
Do not attempt to straighten a bent blade or weld on a
blade. Do not attempt to modify a blade such as hard
surfacing, heat treating, cold treating, or by any other
method. Always replace blades with new approved blades to
assure safety.
•
Do not alter implement or replace parts on the implement
with other brands. Other brands may not fit properly or
meet OEM specifications. They can weaken the integrity
and impair the safety, function, performance, and life of the
implement. Replace parts only with genuine OEM parts.
•
Buildup of debris around moving components and
gearboxes is a fire hazard. Keep rotating parts and
gearboxes free from debris to avoid serious injury and
property damage.
•
Improper oil level can cause bearing failure and be a fire
hazard. Maintain proper gearbox oil level to avoid serious
injury and property damage.
20
RCR1542 & RCR1548 Rotary Cutters 312-556M
Table of Contents
Cutter Blade Maintenance
IMPORTANT: Replace cutting blades in pairs with
genuine Land Pride blades only. Replacing single
blades can result in an out-of-balance condition that
will contribute to premature bearing wear/breakage
and/or structural cracks in gearbox and/or deck.
Always inspect cutting blades before each use. Make
certain they are properly installed and are in good
working condition. Replace any blade that is damaged,
worn, bent, or excessively nicked. Never try to straighten
a bent blade! Small nicks can be ground out when
sharpening. Remove cutting blades and sharpen or
replace as follows:
1. Place tractor gear selector in park and/or set brakes,
shut engine off and remove ignition key.
2. Disconnect main driveline from the tractor and
secure cutter deck in the up position with solid
supports before servicing underside of cutter.
3. Inspect cutting blades. Make certain they are
properly installed and are in good working condition.
Replace any blade that is damaged, worn, bent, or
excessively nicked. Small nicks can be ground out
when sharpened.
Refer to Figure 4-1 on page 21:
4. Remove access cover (#6).
5. Rotate blade bolt (#1) until in alignment with access
hole (A).
6. Blade bolt (#1) is keyed and will not turn freely.
Unscrew locknut (#5) to remove cutting blade (#2).
7. Repeat steps 5 & 6 for the other blade.
8. Both blades should be sharpened at the same angle
as the original cutting edge and must be replaced or
re-ground at the same time to maintain proper
balance in the cutting unit. The following precautions
should be taken when sharpening blades:
a. Do not remove more material than necessary.
b. Do not heat and pound out a cutting edge.
c. Do not grind blades to a razor edge. Leave a blunt
cutting edge approximately 1/16" thick.
d. Always grind cutting edge so end of blade remains
square to cutting edge and not rounded.
e. Do not sharpen back side of blade.
f. Both blades should weigh the same with not more
than 1 1/2 oz. difference. Unbalanced blades will
cause excessive vibration which can damage
gearbox bearings and create structural cracks.
10/11/17