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T50S4 Bostitch Nailer - Overview

Sections of the T50S4

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Keep searches simple, eg. "belt" or "pump".
KIT-TRIGGER VALVE – Part Number: TVA6
KIT-TRIGGER VALVE
★★★★★
★★★★★
(1)
PartSelect #: PS12531525
Manufacturer #: TVA6
This is a genuine Bostitch replacement part that fits all BT brad nailers and all S32 staplers. If trigger leaks air or if tool misfires often, try replacing trigger valve. This kit contains one (1) e...
$50.77
  In Stock
Order now and your part arrives by Apr 9
KIT-CONTACT TRIP CON – Part Number: CNTK2
KIT-CONTACT TRIP CON
PartSelect #: PS12477488
Manufacturer #: CNTK2
$29.71
  In Stock
Order now and your part arrives by Apr 9
KIT-SEQUENTIAL – Part Number: SEQ6
KIT-SEQUENTIAL
PartSelect #: PS12528174
Manufacturer #: SEQ6
This authentic OEM sourced replacement part is designed for use with Bostitch nailers and staplers. The trigger provides a user with a comfortable grip to control the sequential trigger function of th...
$23.42
  In Stock
Order now and your part arrives by Apr 9
SPRING-COMPRESSION – Part Number: 100387
SPRING-COMPRESSION
PartSelect #: PS12406163
Manufacturer #: 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...
$6.40
  In Stock
Order now and your part arrives by Apr 9
O-RING, .614X.070 – Part Number: 86459
O-RING, .614X.070
PartSelect #: PS18987186
Manufacturer #: 86459
This item is a genuine OEM replacement part by Bostitch. It is a part of the trigger valve assembly. These parts may need replacement if air is leaking through the trigger. An O-ring is a bendable pie...
$13.74
  In Stock
Order now and your part arrives by Apr 9
Cap,End – Part Number: 103651
Cap,End
PartSelect #: PS10245669
Manufacturer #: 103651
  No Longer Available
Label-Warning – Part Number: 159920
Label-Warning
PartSelect #: PS10246478
Manufacturer #: 159920
  No Longer Available
Compression Spring – Part Number: 854015
Compression Spring
PartSelect #: PS10247449
Manufacturer #: 854015
  No Longer Available
Label, Trip Adj. – Part Number: 851934
Label, Trip Adj.
PartSelect #: PS10247438
Manufacturer #: 851934
$4.08
  Special Order
SCREW-SOC HD. CAP M5 – Part Number: MSC5080-20
SCREW-SOC HD. CAP M5
PartSelect #: PS12508345
Manufacturer #: MSC5080-20
$6.40
  Special Order
Spring,Pusher – Part Number: T50036
Spring,Pusher
PartSelect #: PS10250903
Manufacturer #: T50036
$4.08
  Special Order
Magazine Nut – Part Number: T50052
Magazine Nut
PartSelect #: PS10250908
Manufacturer #: T50052
$33.25
  Special Order

Questions And Answers for T50S4

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
would not fire nails
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 resolved
Parts Used:
KIT-TRIGGER VALVE
  • Richard from Bogalusa, LA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
6 of 11 people found this instruction helpful.
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