Service Instructions
Multimobil 5C
Siemens Ltd. Med India
Version 5.0
Page 47 of 73
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SIEMENS LTD. All rights reserved. For internal use only
a) Lift the unit up from the rear side and place a wooden platform below both the
rear wheels.
b) Locate the adjustable nuts in the chain.
c) Loosen the check nut (M5) used to lock the movement of the screws.
d) Tighten the adjustable nut in the clockwise/anticlockwise direction as required.
e) Lock the screws with the check nut so that the adjustable nut does not turn.
f) Place the unit on the floor and operate the steering lever to check the
movement. The force required to move the steering lever should not be more
than 2-3kf
7.2 Parts which needs servicing or replacements
Following are the parts that may need replacement or servicing depending upon
the frequency of use.
1. V- Belt
2. Bearings
3. Brake liners
7.2.1 V-Belt
The V-Belt may undergo wear and tear after a period of one year or so depending
upon the use of the up-down movement. Hence, the worn out belt may cause troubles
such as slip (Causing jerky movement), noise and can also fail (rupture) and make the
machine idle.
Hence, it is the responsibility of the service engineer to keep a watch on these
activities and change the belt from time to time.
7.2.2 Bearings
Bearings, generally doesn’t get worn out under clinical conditions. Only possibility that
cannot be ruled out is the wearing out of balls after a period of five to eight years. This
may cause noise in the movement and misalignment of movement.
Hence, it is the duty of the service engineer to clean and grease the bearings
regularly.
Following bearings can be serviced periodically.
1. Universal bearing.
This bearing needs periodic greasing or oiling; as this bearing is responsible for
your smooth up-down movement .The procedure is as follows.
1. Open the front cover.
2. Remove the limit switch holder bracket from bottom.
3. Now you get a clear access for applying grease or oil. While greasing, rotate
the bearing constantly so that every part gets lubricated.
4. After lubrication fit the switch and put the cover.
2. Roller complete and eccentric bearing of Trag arm holder
Steps for servicing