Manitowoc Published 09-10-14, Control # 065-24 5-1
14000 SERVICE MANUAL HOISTS
SECTION 5
HOISTS
FREE FALL CLUTCH/BRAKE INSPECTION
AND OVERHAUL
See Figure 5-1 for the following procedure.
Either the front or the rear load drum can be equipped with a
free fall clutch/brake.
Inspection
Inspect wear indicator with brake applied. Note that wear
indicator moves in as brake discs wear.
Replace brake discs when indicated in Figure 5-1
.
DANGER
Falling Load Hazard!
Free fall clutch/brake will not hold load if brake discs are
worn. To prevent load from falling, inspect each wear
indicator weekly and replace discs when indicated.
P1579
FIGURE 5-1
Brake
Release
Hose
P1578
Clutch/Brake
Assembly
Cover
Coolant
Return
Hose
Coolant
Supply
Hose
4
3
1
5
6
2
7
Ring Indicator
Housing
Wear Indicator
Moves In as
Brake Discs Wear
Item Identification
1- 6 Hex Head Capscrews
7 Socket Head Capscrews
CURRENT PRODUCTION with Brake Applied
• 7.7 mm (0.303 in) – Brake Discs OKAY
• 1.5 mm (0.059 in) – REPLACE Brake Discs
PAST PRODUCTION with Brake Applied
• GAP – Brake Discs OKAY
• NO GAP – REPLACE Brake Discs
Wear Indicator
Moves In as
Brake Discs Wear
Indicator
Housing