Caster - Dräger Narkomed 2B Service Manual

REPLACEMENT PROCEDURES (continued)
4.23

Caster

Each caster is retained by a set screw in the side of the lower frame rail as
shown in Figure 4-23. Caster replacement requires that the machine be tilted
to provide enough clearance for the caster stem to be withdrawn from the
bottom of the frame rail.
WARNING: Do not tilt the machine more than 10 degrees or raise the
4.23.1 Obtain a brace capable of supporting one side of the machine with its
casters two to three inches from the floor.
4.23.2 Remove all unsecured equipment and accessories from the machine.
4.23.3 Lock the front casters.
4.23.4 Using at least two people, tilt the machine until the casters on one
side are raised two to three inches from the floor, and position the
support brace under the frame rail between the front and back
casters.
4.23.5 Remove the plastic cap in the side of the frame rail to provide access
to the caster stem set screw.
4.23.6 Loosen the set screw and remove the caster.
4.23.7 Insert the replacement caster into the frame and hold it in its seated
position.
4.23.8 Tighten the caster stem set screw and replace the plastic cap in the
frame rail.
4.23.9 Using at least two people, tilt the machine, remove the support brace
and carefully lower the machine to the floor.
4.23.10 Check for proper operation of the caster and ensure that the front
casters lock properly.
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casters more than 3½ inches from the floor. Failure to observe
this precaution may result in a tip-over, causing personal injury.
Vaporizers containing anesthetic agent may also be damaged.
4-80
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NM2B
Rev. A