Manitowoc National Crane 800D User Manual

National Crane Published 5-27-2018 Control # 039-06 7-17
800D SIDE SHIMMING OF BOOM SECTIONS
Overload Trips and
will not Reset
Eliminate Overload
YES NO
YES
NO
Has Overload Condition
been Eliminated
Loadline Downhaul Weight
Lifting Anti-Two-Block Weight
Lower Loadline Weight
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
12 Ohm
Do Crane Functions Boom Down,
Telescope Out, Hoist up work
Problem Solved
Boom Lift Cylinder
Fully Extended
Actuate Momentary Key Switch
and Boom Down 5° with No Load
Crane Functions Boom Down,
Telescope Out, Hoist up work
Problem Solved
12v Across Compensating
Pressure Switch
Fuse OK 12v to Solenoid
Trouble Shoot
Wiring
12v to Compensating
Pressure Switch
Replace Fuse
Functions Operate
Problem Solved
Replace Wiring
Resistance Across
Solenoid Coil
Sticking Spool
Clean or Replace
Replace
Solenoid Valve
Some Functions
Still Don’t Work
Check Valves Sticking
Clean or Replace
9424
Fo
r
Reference
Only

Manitowoc National Crane 800D Specifications

General

Brand	Manitowoc
Model	National Crane 800D
Category	Construction Equipment
Language	English