Part Location Diagram of AB-9053110 DeWALT REDUCTION 3/8IN 1/4I
See part 503 in the diagram
( Grid squares measure 1x1 inch )

REDUCTION 3/8IN 1/4I AB-9053110

Manufactured by:
DeWALT
ERP Number:
ERP18990937
Part Number:
AB-9053110
Original Equipment Manufacturer ?
  Works with your model  CAP2045ST-OL!
$9.32
Special Order

A Bit Difficult 

30 - 60 mins 

(1 rated repair) ?
  Works with your model   CAP2045ST-OL!

Troubleshooting

This part works with the following brands:
  • Bostitch
This part works with the following products:
  • Compressor
  • Miscellaneous
Part# AB-9053110 replaces these:
AB-9053110,

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Customer Repair Instructions

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A Bit Difficult 

30 - 60 mins 

(1 rated repair) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Compressor wouldn\'t maintain air pressure and pressure gauge glass was cracked & leaking

Dorinda from Fostoria, Ohio

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Wrench (Adjustable), Wrench set
1.) Carefully removed old air chuck,pressure gauges, and 3/8 double threaded piece from pressure reducer and cleaned threads of any parts that you intend to re-use, like in my case,the air chuck and pressure gauge that screws into pressure reducer with brass wire brush.
2.) Wrap each threaded piece clockwise with Teflon tape.
3.) Before installing new Pressure reducer, pay attention to arrow on bottom of reducer...this arrow should point toward air chuck when installed correctly.
4.) After CAREFULLY threading all parts back into reducer(you DO NOT want to put a lot of stress or pressure from a rubber jawed vise or vise-grips) on the reducer, so only tighten 1/4 turn past finger tight, or you will break the reducer...this thing is made from cast!)
5.) Reinstall complete assembly and check for leaks...done!
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Model Cross Reference

This part works with the following models:
ERP Number: ERP18990937
Manufacturer Part Number: AB-9053110
Brand Model Number Description
Bostitch CAP1545PT-OF Compressor - 50122
Bostitch CAP1545PT-OL Miscellaneous - Air Compressor Power Tool
Bostitch CAP2040P-OF Compressor - Air Compressor
Bostitch CAP2045ST-OL Compressor - Air Compressor
Bostitch CAP60P-OF Compressor - Air Compressor