4.5 Ball control assembly (HRD535 Q /K1 Q /K2 Q - HRA536)
a. Disassembly / Reassembly
1. Remove the drive disc (ch. 4.4).
NOTE:
Before carrying out any operation on the ball control assembly, loosen the
Rotostop cable by loosening the lock nuts of the handle and removing the ball control
assembly return spring.
[1] ROTOSTOP CABLE
ADJUSTMENT: ch. 3.6
DISASSEMBLY: Remove the cable stay.
[2] THRUST WASHER
[3] BALL RETAINER
[4] BRAKE HOLDER SPRING (3)
[5] SPECIAL SCREW, 6 mm (3)
[6] BRAKE DISC
[7] BALL CONTROL ASSEMBLY
REASSEMBLY: Connect the Rotostop cable before securing the brake disc.
[8] SCREW,6x14mm(2)
[9] COLLAR
[10] BALL CONTROL RETURN SPRING
REASSEMBLY: Hook the one end to the ball control plate and the other end on the
collar using the screw driver as shown.
[10]-1 RETURN SPRING
[10]-2 COLLAR
b. Inspection
BALL CONTROL RETURN SPRING
Measure the ball control return spring free length.
Service limit [A] 55.5 mm
Replace the ball control return spring if the free length longer than the service limit.
-39-
HRA536 - HRD535 - HRD536
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[10]-1
[10]-2
[A]
- BLADE / ROTOSTOP