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Maintenance
 NOTE
All maintenance procedures assume the insertable tool holder has been properly removed from the line . See "" section for
instructions .
Inspecting the Hand Insertion Knob
If the hand insertion knob is brittle or missing, contact the factory to order a replacement . Note the unit's thread size to
ensure a correct replacement is ordered .
Prepping the Tool Holder for Reinstallation
After each use the tool holder threads should be checked and cleaned .
Tools needed
ƒ Clean rag
ƒ Pick or small screwdriver
ƒ Teflon tape or paste
ƒ Anti-seize lubricant
1. Use a small pick or screwdriver to remove Teflon tape from the threads of the holder and the isolation valve
connection threads .
2. After tape and debris are removed, wipe down the threads with a clean rag .
3. Reapply Teflon tape and anti-seize lubricant to the holder threads .
Cleaning the Rod/Probe Shaft
The rod/probe shaft should be cleaned each time the tool holder is removed from the line . This helps prevent buildup
on the rod/shaft and damage to the seal .
Tools needed
ƒ Clean rag
ƒ Cleaner/solvent
ƒ 320 grit or finer sand paper
ƒ Medium adjustable wrench
ƒ Molykote 55 lubricant or other silicone/lithium lubricant
1. Remove the holder from the line .
2. Loosen the locking collet bolt and slide the rod/shaft to the fully inserted position (until the stop hits the top of the
body) . Leave the locking collet loose so the rod/shaft can be spun inside the body .
3. Clean the exposed rod/shaft with 320 grit or finer sand paper using a rotational motion .
4. When the exposed rod/shaft is cleaned of external debris, wipe the rod/shaft with a clean rag and solvent to remove
any leftover debris .
5. Slide the rod/shaft to the fully retracted position and repeat the steps above to clean the remaining rod/shaft .
10
Sentry Equipment Corp
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