Manitowoc 1400A User Manual

National Crane 1-21-2019 Control # 104-07 5-1
1400A SERVICE MANUAL HOIST
5
SECTION 5
HOIST
SECTION CONTENTS
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Warm-up Procedure . . . . . . . . . . . . . . . . . . . . . . . 5-2
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Hydraulic Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Hoist Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Drum Rotation Indicator. . . . . . . . . . . . . . . . . . . . . 5-3
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Programming the Minimum Wrap Indicator . . . . . 5-4
Shipping Mode (Series A Only). . . . . . . . . . . . . . . 5-5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
For Series “A” . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Series “B” Circuit Breaker Reset Instructions . . . . 5-5
Hoist Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Hoist Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Planetary Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
DESCRIPTION
The 1400A hoist is composed of motor control valve, a
hydraulic motor, a multiple disc brake, and a pair of planetary
gear sets.
The multiple disc brake is spring applied and hydraulically
released through a port in the brake housing. An overrunning
clutch allows the hoist to be raised without releasing the
brake while at the same time holding the load until there is
sufficient pressure to release the brake when hoisting down.
MAINTENANCE
Inspect the hoist daily for oil leaks, loose bolts, and worn
hoist cable. Check the gearbox and brake oil every 500
hours. Do an oil change every 1,000 hours. See Section 8
Lubrication. Inspect the hoist from the deck of the crane. Do
not stand on the turret.
DANGER
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state, or federal regulations.
!
Fo
r
Reference
Only

Manitowoc 1400A Specifications

General

Brand	Manitowoc
Model	1400A
Category	Construction Equipment
Language	English