Woods RC3.5E, Operator'S Manual

Page: 12 / 57

12 Owner Service
MAN1253 (3/15/2018)
BLADE SERVICING
Blade Removal (Figure 10)
NOTICE
■
If blade pin is seized in crossbar and extreme force will be needed to
remove it, support crossbar from below to prevent gearbox damage.
Figure 10
. Blade Assembly
1.
Disconnect driveline from tractor PTO.
2.
Raise cutter and block securely (see Figure 9).
3.
Align crossbar (1) with blade access hole in the cutter frame. Remove
blade pin nut (5) and lock washer (4). Carefully drive pin (3) out of
crossbar.
4.
Rotate crossbar (8) and repeat for opposite blade.
Blade Installation (Figure 10)

Your dealer can supply genuine replacement blades. Substitute blades
may not meet original equipment specifications and may be dangerous.
■
Crossbar rotation is counterclockwise when looking down on cutter. Be
sure to install blade cutting edge to lead in counterclockwise rotation .
NOTICE
■
Always replace or sharpen both blades at the same time.
1.
Inspect blade pin (3) for nicks or gouges, and if you find any, replace the
blade pin.
2.
Insert blade pin through the blade (2). Blade should swivel on blade pin; if
it doesn’t, determine the cause and correct.
3.
Align crossbar (1) with blade access hole in cutter frame. Apply a liberal
coating of Never Seez
®
or equivalent to blade pin and crossbar hole.
Make sure blade offset is away from cutter. Push blade pin through
crossbar.
4.
Insert lock washer (4) and nut (5) through blade access hole in deck.
Install on blade pin (3) and tighten to 610 N-m (450 lb-ft) using a 1-11/16"
socket.
NOTE:
Blade should be snug but should swivel on pin without having
to exert excessive force.
Blade Sharpening
NOTICE
■
When sharpening blades, grind the same amount on each blade to
maintain balance. Replace blades in pairs. Unbalanced blades will cause
excessive vibration, which can damage gearbox bearings. Vibration may
also cause structural cracks to cutter.
1.
Sharpen both blades at the same time to maintain balance. Follow
original sharpening pattern.
2.
Do not sharpen blade to a razor edge—leave at least a 1.6 mm (1/16")
blunt edge.
3.
Do not sharpen back side of blade.
Figure 11
. Blade Sharpening
SLIP CLUTCH ADJUSTMENT
The slip clutch is designed to slip so that the gearbox and driveline are pro -
tected if the cutter strikes an obstruction.
A new slip clutch or one that has been in storage over the winter may seize.
Before operating the cutter, make sure it will slip by performing the following
operation:
1.
Turn off tractor engine and remove key.
2.
Loosen nuts on springs until the springs can rotate freely, yet remain
secure on the bolts.
3.
Mark outer plates of slip-disc clutch as shown in Figure 12.
4.
Securely attach implement to the tractor and start the tractor.
5.
Engage PTO for several seconds then quickly disengage it.
6.
Turn tractor off and remove key.
7.
The friction lining plates should have "slipped". Check the marks placed
on the outer plates of the slip-disc clutch in step 3 to make sure this is the
case.
8.
If clutch does not slip, check assembly for oil, grease and debris. Clean if
necessary.
9.
Reassemble clutch and tighten bolts no more than 1/8 of a turn at a time
until desired setting of 32 mm (1.26") is reached.
10.
If excessive slippage continues, check lining plates for excessive wear.
They are 3.2 mm (1/8") thick when new and should be replaced after
.8mm (1/32") of wear to ensure proper operation.
Figure 12
. Slip Clutch Assembly
DRIVELINE SHEAR BOLT REPLACEMENT
NOTICE
■
Always use approved 1/2" NC x 3" grade 2 shear bolt as a replace -
ment part. Using a hardened bolt or shear pin may result in damage to
driveline or gearbox.
1.
Remove damaged shear bolt (7).
2.
Rotate driveline (6) to align holes in yoke and shaft. Install shear bolt and
secure with lock nut (8).
1. Crossbar
2. Blade
3. Blade pin
4. Lock washer
5. 1-1/8 NF Jam nut
CAUTION