Section 4: Maintenance & Lubrication
RTA1558, RTA1566, & RTA1574 Rotary Tillers 311-252M
12/19/18
22
Clutch Disassembly & Assembly
If clutch run-in procedure indicates that one or more of the
friction disks did not slip, then the clutch must be
disassembled to separate the friction disks.
IMPORTANT:
Secure clutch firmly in a vise or other
clamping device to prevent injury.
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Step 2
Remove backup ring, lock collar,
compression spring, bottom backup
ring, and balls.
Step 3
Tighten the four hex nuts uniformly
until the clutch pack and hub are
loose.
Step 4
Bend all four retaining lugs out on
edge of clutch housing.
Step 5
Remove thrust plate with Belleville
Springs and lug rings to access
friction disks and hub for inspection or
service.
2-Plate Disassembly
Step 1
Remove snap ring.
Step 6
Inspect friction disks and hub.
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Step 2
Compress Belleville Springs to the
pressure plate by tightening the four
hex nuts and then placing the
assembly into the clutch housing.
Step 3
Bend retaining lugs inward over the
Belleville Spring edges to secure the
spring before backing the four hex
nuts off.
Step 4
With lugs bent in, loosen the four hex
nuts completely to the end of the
threaded studs.
Step 5
Insert greased balls.
Step 6
Install bottom backup ring,
compression spring, lock collar, and
top backup ring.
Step 7
Install snap ring.
Step 1
Place hub and friction disks into the
housing.
2-Plate Assembly