Maintenance
7–18
1502C MTDR Service Manual
All other seals should be inspected during normal adjustment/calibration periods,
paying special attention to the front panel/case seal and option port seal.
CAUTION. If the case, option port, or a front panel control is removed, the
weathertight integrity of the instrument will be compromised.
Tek Part No. Sealant Comments
006–2302–00 Dow Corning 3145 Adhesive Sealant Use to secure rubber boot around
buttons, implosion shield to front panel
252–0199–00 Dow Corning 3140 Coating Use to secure case gaskets to chassis
(more fluid sealant than 3145 with
24-hour cure time)
006–2207–00 GE G–661 Silicon Grease Light coating on case gaskets to pre-
vent sticking and provide a good seal
006–0034–00 Isopropyl alcohol Cleaning agent
If a rubber boot or gasket is replaced:
1. Remove the old gasket.
2. Remove all dried adhesive.
3. Clean area with alcohol and let dry.
4. Run a small bead of 3140 Coating/Adhesive in the cutout where the new gasket
will go.
5. Smooth the adhesive into an even, thin layer.
6. Clean the new gasket with alcohol and let dry.
7. Place the gasket on the adhesive and smooth into place. Make sure the edges are
secure and there are no air bubbles under the gasket.
8. Let dry for 24 hours before using or reassembling the front panel.
9. Use silicon grease on the outer side of the front panel gasket and the battery
gasket where they contact the instrument case.
The instrument rotary controls, the fuse and line voltage select access covers are
sealed with rubber O-rings. These are not glued in place, but should be inspected
and replaced if necessary.
Sealing Materials
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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