
Reference
Only
TROUBLESHOOTING
18000 SERIVCE/MAINTENANCE MANUAL
10-16
Published 12-05-17, Control # 035-23
Problem 14
Boom will not boom up, but will boom down.
POSSIBLE CAUSES
Pump is damaged; Boom maximum up limit opened; Equalizer/
boom stop limit opened; Node fault; Control handle is worn.
CHECKS
See Crane Diagnostics topic in Section 3 to find CAN bus packet numbers.
When applicable switch is enabled…
Drum 1 Minimum Bail Limit . . . . . . . . . . . . Packet #39, Bank 2 changed by 2
Drum 2 Minimum Bail Limit . . . . . . . . . . . . Packet #34, Bank 2 changed by 2
Drum 3 Minimum Bail Limit . . . . . . . . . . . . Packet #33, Bank 2 changed by 2
Maximum Boom Angle Limit . . . . . . . . . . . Packet #69, Bank 1 changed by 128
Boom Hoist Pump Pressure . . . . . . . . . . . Packet #38, Bank 3 changed by 1 or 4
Bank number increased
by number shown.
Bank number not increased
by number shown.
When moving boom hoist handle fully back directions, does
DRUM 4 screen read 100% handle command and 0.5 to 2.4
volts in raise direction?
Check for problem. Repair
limit switch, wiring, or circuit
breaker.
Yes
No
Yes
No
Yes
No
Yes
No
Does DRUM 4 screen approach 100% pump control command for both pumps, with handle moved back?
Replace control handle.
Are zero volts at rest and 24 volts at full speed present at pump EDC when control handle is moved
back? (See Section 3 - Checking Electrical Inputs/Outputs).
Consult dealer/factory.
Does pump charge pressure at charge pressure port drop to 250 psi (17 bar) or less when booming up?
Repair or replace wiring or consult dealer/factory.
Replace pump(s) EDC.
Repair or replace pump(s).
Содержание 18000
Страница 1: ...R e f e r e n c e O n l y Service Maintenance Manual Manitowoc 18000 ...
Страница 2: ...R e f e r e n c e O n l y ...
Страница 4: ...R e f e r e n c e O n l y THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH ...
Страница 210: ...R e f e r e n c e O n l y NOTES SKETCHES AND PHOTOGRAPHS ...
Страница 315: ...R e f e r e n c e O n l y ...
Страница 316: ...R e f e r e n c e O n l y ...