57HARDI
®
N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL
6.7 Breakaway Clutch Adjustment (MB Boom only)
WARNING: NEVER PLACE FINGERS INTO OPEN BREAKAWAY
CLUTCH OR YOU MAY BE INJURED SHOULD CLUTCH
SNAP CLOSED! DO NOT TIGHTEN THE BREAKAWAY
CLUTCH MORE THAN WHAT IS NECESSARY! OVER
TIGHTENING CAN CAUSE DAMAGE TO THE BOOM!
IMPORTANT: Properly lubricate clutch assembly before adjusting the
tension. Breakaway clutch cap screws (A) (Fig. 29) must be torqued
to 40 Ft/lb (55 N-m) every week (40 hours) to prevent boom damage.
Lubricate every day (8 hours) to ensure maximum performance and
life.
The tension on the clutch for the breakaway wing section can be
adjusted by loosening or tightening nut C (Fig. 29).
1. Check that the lower nut D (Fig. 29) is fully tightened.
2. The breakaway wing section should pivot around the axle shaft E
(Fig. 29). Make sure wing section is free to move.
3. Loosen jam nut B (Fig. 29).
4. If the breakaway clutch releases too easily, tighten nut C (Fig. 29).
If the breakaway clutch releases too stiffl y, loosen nut C (Fig. 29).
Clutch is properly tensioned when breakaway wing section returns
to alignment with center section after breaking away.
5. Tighten jam nut B (Fig. 29) after adjustment.
Fig. 29
D
C
E
A
B
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