WM45B Bostitch Nailer - Overview

Diagrams for WM45B

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Parts for the WM45B

Spring Assembly

Part #101773

O-Ring,2.887X.139

Part #100309

This is an authentic Bostitch replacement part that is sourced from the original manufacturer for use with pneumatic nailers. The o-ring fits under the cylinder sleeve and is used to seal and provide spacing within the body of the nailer. This item is available as an individual replacement part.

Guide,Arm

Part #100323

Bushing, Canister

Part #100329

Label,Platform Adjust

Part #103648

Assembly,Trip Arm

Part #102996

Collar,Spring

Part #N65045

Piston,Drive

Part #100211

Pawl,Check

Part #102150

$7.44

SPRING-COMPRESSION

Part #100387

This compression spring is an OEM direct from Bostitch. The metal spring is compatible with many stapler and nailer tools. This item is fitted within the trigger valve kit of the device. The spring is the mechanism for the trigger to move back in place. Although this part is sold individually, it can also be found in the SEQ6 Kit. A small hammer and a hex key are helpful in the repair.

$14.09

O-RING

Part #850607

This replacement seal is designed for use in a variety of pneumatic tools, including both nail guns and staplers. It serves a vital function by creating an airtight seal—most commonly installed on the piston in nail guns and on the cylinder in staplers. This helps maintain consistent air pressure and tool performance. Over time, seals can...Read more

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$7.44

C-RING

Part #9R184453

Repair Tips From Fixers Like You

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

would not fire nails

10 of 15 people found this instruction helpful.

Richard from Bogalusa, LA
A Bit Difficult
30 - 60 mins
Pliers, Screw drivers

remove 2 Philips head screws, drive out drift pins with drill bit. Remove TVA6 replace with new TVA6 making sure TVA6 is completely seated and slots are aligned with drift pin holes! Drive in drift pins. Replace trigger and screws.
This did not solve the problem as suggested by Parts select.
Replaced Head Valve Seal...Problem re ... Read more

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