Danfoss VLT ISD 410, Руководство по эксплуатации

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10 Maintenance and Repair
10.1 Maintenance tasks
The servomotors are largely maintenance free. Only the
bearings and the shaft seals are subject to wear.
The maintenance tasks listed in the following table may be
performed by the customer. No other tasks are required.
Send the servomotor to Danfoss if it needs to be (fully)
overhauled.
Component Maintenance
Task
Maintenance
Interval Instruction
Servomotor Clean Regularly or
as necessary Clean the surface
with a dry cloth
Bearings Check for
bearing noise As part of
regular
operational
inspection Order a new ISD
servomotor when
the forward motion
limit is reached
Shaft seal Replace shaft
seal Every 2 years Always replace
Hybrid
cable Check for
damage and
wear Every 6
months If damaged or worn:
replace hybrid cable
(see
chapter
10.3.1 Cable
Replacement )
Brake
(option) Danfoss
Service Number of
allowed
emergency
stops
exceeded Inform Danfoss
Table 10.1 Overview of Maintenance Tasks
10.1.1 Replacing the Shaft Seal
NOTE
Use only manufacturer spare parts. Danfoss accepts no
responsibility for any damage resulting from the use of
parts not approved by Danfoss.
The spare parts kit (shaft seal, grease and service
instructions) can be ordered under part number 175G7706.
A special tool is necessary for fitting the seal. It can be
ordered under part number 175G7707 with the first order.
10.2 Inspection during Operation
Carry out regular inspections during operation. Check the
servomotors at regular intervals for anything unusual.
Pay particular attention to:
•
Unusual noises
•
Overheated surfaces (temperatures up to 100 °C
may occur in normal operation)
•
Uneven running
•
Strong vibrations
•
Loose fastenings
•
Condition of electrical wiring and cables
•
Poor heat dispersion
In the event of irregularities or problems, see 9.1 Trouble-
shooting .
10.3 Repair
NOTE
Always return defective servomotors to Danfoss
The repair tasks listed below may be performed by the
customer.
WARNING
HIGH VOLTAGE
Potentially lethal voltage is present on the connectors.
Before working on the power connectors (disconnecting or
connecting the cable), disconnect the power supply
module from the mains and wait for the discharge time to
elapse.
Maintenance and Repair
VLT
®
ISD 410 Servomotor Operating Instructions
MG75D102 - VLT
®
is a registered Danfoss trademark 33
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