Land Pride Rotary Cutter RCR2684, Operator'S Manual

Page: 41 / 54

Section 5: Maintenance & Lubrication
RCF2784 & RCR2684 S/N Rotary Cutters 326-364M 7/26/19
37
Table of Contents
Clutch Disassembly
Figure 5-2
Clutch Assembly and Disassembly
Disassembly
Refer to Figure 5-2:
See “IMPORTANT NOTE” above before disassembling
clutch. After measuring and recording each spring length,
remove spring retainer nuts (#1), springs (#2) and bolts
(#3). Each friction disc (#4) must then be separated from
the metal surface adjacent to it. Refer to the Parts Manual
for a detailed parts breakdown.
Inspection
Inspect all parts for excessive wear and condition. Clean
all parts that do not require replacement.The original
friction disc thickness is 1/8" (3.2mm) and should be
replaced if thickness falls below 3/64" (1.1mm). If
clutches have been slipped to the point of “smoking”, the
friction discs may be damaged and should be replaced.
Heat build-up may also affect the yoke joints.
Assembly
Refer to Figure 5-3:
Reassemble each friction disc (#4) next to the metal plate
it was separated from. Install bolts (#3) through end
plates and intermediate plates as shown. Place springs
(#2) over bolts (#3) and secure with nuts (#1).
Refer to Figure 5-3:
Progressively tighten each spring retainer bolt until
correct spring height “A” dimension is obtained.
14714
IMPORTANT: Refer to Figure 5-3. Be Sure to
measure and record length (“A”) of each clutch
spring before disassembling clutch.
Clutch Adjustment
Figure 5-3
Cutter Blade Maintenance
DANGER
!
To avoid 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, non-concrete supports
before working under it. Never go under equipment
supported by concrete blocks or hydraulics. Concrete can
break, hydraulic lines can burst, and/or hydraulic controls
can be actuated even when power to hydraulics is off.
WARNING
!
To avoid serious injury or death:
•
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
at high speeds.
•
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 Land Pride blades
to assure safety.
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. Small nicks can be ground out.
Model
No.
Driveline
No.
Power
Take-Off
Speed
Cat
No.
A (inches)
Spring
Height
RCF2784
826-152C
826-673C
540 4
1.11" to 1.12"
1.319"
RCR2684 826-673C 540 4 1.319"
24600
A = Measured length of each spring
before disassembling slip clutch.
Use “A” dimension in table below
if measurements were not taken
before disassembling slip clutch.
IMPORTANT: Only replace cutting blades in pairs
with genuine OEM blades. 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.