Mathey Dearman Band Machine - Manual (Page 18)

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6.0 – Maintenance
Mathey Band Machines require only minimal maintenance. However, they are precision machines and in order to
achieve precision results with them, they should be used and handled with reasonable care, and be kept clean and
lubricated
.
6.1 – Band Crawler Maintenance
The Ball Legs, Flanged Legs, Drive Wheels and Torch Holder Eccentric should be kept clear of slag and other
trapped abrasives, particularly sand and dirt. Use a soft rag and non-flammable solvent to clean the machine.

The Grease Zerk on top of the Band Crawler Body should be greased once a month if used periodically and
once a week if used heavily, and before storing. The Crawler Body should be lubricated with gun grease
(example: Lubriplate™ 130AA).

During transportation, or when not in use, the Band Crawler should be stored in a protective container such
as a Carrying Case or the original factory shipping carton. Flexible Drive Cable on the Manual Band Crawler,
and the Electrical Cords and Connections on the Motorized Band Crawler, should be kept clean and protected
from kinking as well as from sharp objects that could cause cuts or punctures.
Warning: Do not use air when cleaning the machine.
6.2 – Installing or Replacing Flexible Drive Cable Assembly
The Manual Band Crawler is shipped with the Flexible Drive Cable Assembly installed; however, if there is a need to
change the Drive Cable, follow this re-installation procedure.
6.2.1 The Flexible Shaft inside the Flexible Drive Cable Assembly (19A or 19B) extends approximately 1 ½ inches beyond
the Swivel Nut (E), and is inserted into the Torch Carrier Crawler through the Connector (Figure 6 item 6)
Figure 8
6.2.2 The Flexible Shaft inside the Flexible Drive Cable Assembly (19A or 19B) must be turned so the Keyway (Groove) of
the exposed end of the Flexible Drive Cable Assembly aligns with the Key of the Worm Shaft (Figure 6 item 11)
located inside the Connector (Figure 6 item 6).
6.2.3 When the Key of the Worm Shaft (Figure 6 item 11) and the Keyway (Groove) of the exposed end of the Flexible
Drive Cable Assembly are aligned, the Swivel Nut (E) of the Drive Cable will be in position to be screwed onto the
Connector (Figure 6 item 6).
6.2.4 Tighten the Swivel Nut (E) by hand until it stops turning.
6.3 - Wheel Spring Tension Adjustment
6.3.1 Lift up the Lever (Figure 6 item 21B) of the Rear or Front Ball Leg Assemblies (Figure 6 items 8 & 10) to expose the
tension nut.
6.3.2 Turn the Tension Nut (Figure 6 item 21E) clockwise 2 turns to release the spring tension.
6.3.3 Adjust the spring tension until the groove of the Wheel Assembly (Figure 6 item 14) of the Front and Rear Ball Leg
Assemblies (Figure 6 items 8 & 10) make contact with Stainless Steel Band.
6.3.4 Mount the Torch and any Accessories that will be used on the Band Crawler.
6.3.5 Adjust the Spring Tension Nut (Figure 6 item 21E) Counterclockwise in 1/8 turn increments until the Crawler goes
around the Band without slipping with all Accessories attached.