Milwaukee 9571 handleiding
Handleiding
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11
MJC680-2 Rev AA April 2019
3. Remove the transformer bolted to the back of the panel plate
if it requires replacement.
4. Refer to Figure 15 to disassemble the brake. See BRAKE
ADJUSTMENT on page 9 to properly set the brake.
5. Refer to Figures 20 and 21 to disassemble the limit switch.
See LIMIT SWITCH ADJUSTMENT on page 8 to properly set
the upper and lower limits of travel.
6. Refer to Figures 18 and 19 for repairs on the pushbutton
station. Also refer to the wiring diagram inside the electrical
cover or Figures 9A, 9B, 9C and 9D for wiring instructions.
MOTOR
Refer to Figures 12, 13 and 14.
The hoist motor is located on the opposite end to from the electrical
parts, but the two are tied together with electrical leads running
through the housing.
1. If it is necessary to replace or repair the motor, DISCONNECT
THE HOIST FROM THE POWER SUPPLY and remove the
electrical cover.
2. Loosen the screw clamps on the terminal blocks and reversing
contactor to disconnect the motor leads (See Figures 16 and
17).
3. Remove the four motor mounting bolts attaching the motor to
the housing. It will come loose at the motor coupling.
4. Inspect the motor coupling, motor shaft and all the bearings.
Replace as necessary.
5. Install new or repaired motor according to the wiring
diagram located inside the electrical cover or Figures 9A,
9B, 9C and 9D.
GEARING
Refer to Figures 7, 12 and 22.
As disassembly is extensive for gearing, disconnect the hoist and
move it to a workbench.
1. Remove the electrical cover.
2. Remove the electrical panel.
3. Remove the brake assembly and the limit switch assembly.
4. Remove the limit switch spring from output shaft bore.
5. Drain the oil from the transmission.
6. Remove the ve screws that attach the transmission cover to
the transmission housing and remove the transmission cover.
Figure 7 — Assembled Gearing
There are wires running through the hoist. Carefully ease the
hoist sections apart. Do not jerk them apart.
7. Inspect gears for broken or severely worn teeth and inspect
all bearings. Replace as necessary. The overload slip clutch is
factory calibrated and must not be disassembled or readjusted.
Do not disassemble or readjust the clutch, or replace it with
a clutch assembly from another hoist. Doing so will void the
warranty and may create an unsafe condition. If replacement
is needed due to wear or loss of adjustment, always use a new
clutch assembly.
8. Reassemble in reverse order of disassembly, making sure that
the gasket is in place and in good condition. Coat gasket with
Permatex
®
or other gasket cement. Extreme care should be
taken to avoid damage to oil seals.
9. Check all wire terminals to be sure that they are properly seated
and in accordance with the correct wiring diagram. Before
placing the hoist back into service, check the brake adjustment
and limit switch settings.
CHAIN GUIDE AND LOAD SHEAVE
(Refer to Figures 12, 22 & 23)
The hoist sections must be separated at the top hook line in order
to inspect the Load Sheave and Chain Guide.
1. Disconnect the Hoist and remove to a workbench.
2. Remove the Socket Head Cap Screw and Attachment Pin
that hold in the Chain Stripper.
3. Remove the Chain Stripper.
4. Remove the 4 bolts that hold on the Motor.
5. Remove the Motor.
6. Remove the Spring Washer and Motor Coupling.
7. Remove the Hook Retaining Screw.
8. Remove the Hook Retainer.
9. Remove the Top Hook (Note the orientation of the hook for
reassembly).
10. Remove the remaining 3 Screws that hold on the Trim Cover.
11. Remove the Trim Cover.
12. Remove the 5 Socket Head Cap Screws that hold the Sheave
Housing to the Transmission Housing.
13. Gently pry apart the two housings using the slots provided,
taking care not to damage the Gasket between the two
housings.
While these housings are apart, check the following:
• Chain Stripper
• Chain Guide
• Chain
• Load Sheave
• Load Sheave Shaft
• Bearings
• Chain Support (on 2 ton models)
Replace worn or damaged parts as necessary including screws, lock
washers, pins, etc. Care must be taken during reassembly to have
the hook in the proper orientation (See SUSPENSION, page 11).
SUSPENSION
Periodic inspections of the top suspensions can be made without
disassembly. For more extensive inspections the lug or top hook
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Productinformatie
| Merk | Milwaukee |
| Model | 9571 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9796 MB |
