M
AINTENANCE
The following calculation compares the actual operating time with the theoretical operating time in load spec-
trum L4 (very heavy).
1
2
3
4
5
6
7
Operating
site
Average
daily
operating
timet
Collective load factor in accor-
dance
with collective load for the type
of operation
Partial
deployment
Remaining
theoretical use in
collective load 4
Date
Specialist
inspector
in hours
L1
(light)
L2
(med-
ium)
L3
(heavy)
L4
(very
heavy)
column 2
x column 3
x operating
days
x factor 1,2
(When zero has
been reached a
general overhaul
must be performed)
Signature
-
0
0,125
0,25
0,5
1
0
Existing driving
mechanism group,
see nameplate or
section 3.5.2 M2 /
1Cm
→
200h
M3 / 1Bm
→
400h
M4 / 1Am
→
800h
M5 / 2m
→
1600h
Calculation example (driving mechanism classification group M3 / 1Bm)
1
2
3
4
5
6
7
Assembly
site
1,5
0,25
1,5 x 0,25 x
250 x 1,2 =
113h
(400-113) = 287h
2nd
August
2013
A.N. Other
Doc.-No.: VA049318-20-OM-EN-0319-64-6
Page
43
of 64
