19
10/13/08 RTA10 & RTA15 Series Rotary Tillers 311-252M
Land Pride
Section 4 Maintenance and Lubrication
Table of Contents
Clutches With 8 Hex Socket Bolts

Clutch Run-In

Refer to Figure 4-3 on page 19:
1. Loosencounterclockwise all 8 hex head socket bolts
uniformly 6 full turns.
2. Cycle clutch on and off 5 or 6 times (15 seconds on
and15 seconds off) with the engine operating at half
throttle. Disengage driveline,shut off tractor and
removekey. Wait for all components to stop before
dismounting from tractor.
3. Tighten hexhead socket bolts fully back. Clutch is
ready foruse
4. Theclutch should be checked during the first hour of
cutting and periodically each week.
Clutch Run-In With 8- Hex Head Socket Bolts
Figure 4-3

Clutch Disassembly & Assembly

Refer to Figure 4-4 on page 19:
If clutch run-in procedure above indicated that one or more
friction disks did not slip, then the clutch must be
disassembled into separate friction disks.
1. Rotate8 hex head socket bolts (#4) all the way out to
free stop flange (#5).
2. Record position of the lips (up or down) on stop
flange (#5) and then rotate flange and removeit.
3. Removethe following inner components:
a. Spring kit (#6)
b. Pressure flange (#7)
c. 1st Friction Disc (#8)
d. Hub with flange and pull collar (#2 & #3)
e. 2nd Friction disc (#8)
f. Bearing(#9)
4. Inspect all components and replace to their original
position. Make certain stop flange (#5) is replaced
with its flanges down as shown.
5. Fully tighten all 8 hexhead socket bolts (#4).
Hex Head
Socket Bolts
21270
Clutch Assembly
Figure 4-4
Shearbolt Protection
Avoidshear bolt breakage by making sure the tiller is out
of the ground before engaging PTO and by engaging
PTOslowly at low engine rpm. Increase engine speed to
540 RPM only after tines are rotating.
See table below for correct shear bolt and nut part
numbers. Torque shear bolt nuts to 7-9 ft- lbs.
21302
(IMPORTANT NOTICE)
Check position of lip on stop
flange (UP or DOWN).
Replace stop flange with lip in
its original position.
IMPORTANT: Replace damaged shear bolts with
originalLand Pride equipment from your Land Pride
Dealer.

Shear Bolt and Lock Nut Part Numbers

Part No. Part Description
RTA10
802-683C M8 x 45 GR 8.8
803-278C M8 Lock Nut (Torque nut to 7-9 ft. lbs.)
RTA15
802-115C 5/16”-18 x 2 GR 5 bolt.
803-011C 5/16”-18 Lock Nut (Torque nut to 7-9 ft. lbs.)