Manitowoc GROVE GMK7450 User Manual

Maintenance overview
5.4 Measures required for winch monitoring
16.08.2018
Maintenance manual 3 302 577 en 5 - 27
GMK7450
The used proportion S
2
of theoretical service life after the 2nd inspection is
therefore:
Remaining theoretical service life:
D2 = 3,040 h -1,920 h = 1,120 h.
The aforementioned values are entered in the table (see table example
p. 5 - 28).
3rd inspection (3rd year)
The truck crane was used for assembly work and occasional unloading work
on docks: Load
spectrum: L 2, i.e. Km
3
= 0.25.
The operating hours counter for the main hoist reads 940 h, i.e. during this
period: 940 h - 640 h = 3
00 h. T3 = 300 h.
The used proportion S3 of theoretical service life after the 3rd inspection is
therefore:
Remaining theoretical service life:
D3 = 1,120 h - 600 h = 520 h.
The values are entered in the table
(see table example p. 5 - 28).
The remaining theoretical service life i
s to be
documented in a separate
table for each winch.
This table is to be attached to the crane logbook. This table is to be found in
the maintenance manual's
appendix for truck cranes that do not require a
crane logbook or similar documentation according to the regulations in the
country in which you are working.
s
S
i
0,5
0,125
---------------
480 h× 1920 h==
S
i
0,25
0,125
---------------
300 h× 600 h==

Manitowoc GROVE GMK7450 Specifications

General

Brand	Manitowoc
Model	GROVE GMK7450
Category	Construction Equipment
Language	English