MAINTENANCE AND REPAIR
176
Operating instructions • Semitrailer • 505369471-04 • 02/2019
The aim of maintenance is:
○ that the commissioned trailer is kept
operating safely and performing prop-
erly during use,
○ to prevent downtimes,
○ to keep the costs of operational readi-
ness reasonable and financially justifi-
able,
○ and to limit unavoidable repair ex-
penditures.
10.2.1 Regular checks and functional
testing
To ensure that the trailer is in proper oper-
ating condition, the safety-related equip-
ment must be checked regularly for proper
function, its effectiveness must be ensured
and the recurring inspections must be per-
formed.
► Prior to starting each trip, perform a
departure check (see "7.1 Commissioning
before each trip", pg.121).
► Perform legally prescribed general in-
spections punctually.
► Observe the intervals and instructions
for testing and maintenance of the
supplied components (e.g. axles) con-
tained within the respective supplied
operating instructions.
► Report any detected safety defects:
○ Take the trailer out of operation if oper-
ational safety is not ensured.
○ When there is a change of shift, inform
the colleague starting the next shift
about observed defects and implemen-
ted measures.
► Perform the following checks and func-
tional testing at the intervals pre-
scribed:
Component Inspection
Daily, or before every journey
Kingpin/coupling plate Visual check for wear,
damage and proper
attachment.
Rear underrun pro-
tection/side collision
protection
Visual check for wear,
damage and proper
attachment.
Compressed air tank Actuate the water
drain valve (see "5.7
Draining the com-
pressed air tanks",
pg.37).
Lighting equipment Visually inspect for
correct operation
Weekly
Compressed air tank
○ Perform a visual
inspection for
wear and dam-
age.
Tyres
○ Check the tread
depth and tyre
pressure (9bar)
Kingpin/coupling plate Lubricate with high-
pressure grease
► Go to an authorised specialist work-
shop if defects have been found.
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