Part Location Diagram of 904121 Delta Push-button Switch
See part 70 in the diagram
( Grid squares measure 1x1 inch )

Push-button Switch 904121

Manufactured by:
Delta
ERP Number:
ERP10328372
Part Number:
904121
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

Less than 15 mins 

(15 rated repairs) ?

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Product Description

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This is a Genuine OEM Sourced replacement part used on Delta Power Equipment. This switch has a Plastic Body. Switches are a commonly replaced part in power tools, handling on/off operations. Because switches use mechanical internals, they will degrade and wear out over time, eventually requiring replacement. Please note the Switch Box and the Cover are Sold Separately. To replace this switch you would need a Screwdriver. • First make sure the tools is not plugged in • Then you want to remove Screws used to hold two pieces of Housing Set together • Disconnect Wires from the old Switch and remove it from the Housing • Place the new Switch in the Housing and connect Wires to it • Reassembly the Housing

Troubleshooting

This part works with the following brands:
  • Delta
This part works with the following products:
  • Drill Press

Customer Part Reviews

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4.9
Average Rating (out of 5):
★★★★★
★★★★★
(7 Reviews)
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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

Less than 15 mins 

(15 rated repairs) ?
  • 1
  • 2
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Switch not working

Hal from Homosassa, Florida

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
904121
Remove the switch plate
Remove the switch from the switch plate
Exchange the terminal leads from the old switch to the new switch one at a time
Press the new switch into the switch plate
Screw on the switch plate
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The button would not start the machine

Michael from Olathe, Kansas

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
904121
Removed switch, pulled the wires from the broken switch, pulled broken switch from housing, put new switch into housing, connected wires to new switch, placed switch and housing on the drill press.
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Mortiser switch failed

Robert from Freeland, Washington

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
904121
1.Simply removed old switch
2. Then installed new switch
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Would not power up

William from Clio, Michigan

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
904121
Removed old switch, replaced with new switch.
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Power button died

George from Traverse City, Michigan

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
904121
Removed 3 screws on switch plate.
Slid switch out of plate.
Removed and replaced each wire one at a time to new switch.
Snapped switch into plate.
Replaced screws and plate on drill press.
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On off switch did not work

Joe from Hendersonville, North Carolina

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
904121
Removed old switch (second time since original). Replaced with new. Worked perfect.
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Push button switch was no good on bandsaw so needed replaced.

David from Akron, Ohio

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
904121
Removed 3 screws holding switch in place, pulled switch out so the wires were exposed. Pulled the wires off and transferred them onto the new switch. Pushed wires back inside and replaced the 3 screws to hold switch in place.
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On off switch failure

Don from Sharon, South Carolina

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
904121
Removed old switch and replaced with a direct replacement.
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Failed start / stop switch.

JAMES from Happy Valley, Oregon

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
904121
1. Took phone photo of how wires were connected. Just in case memory failed or confused.
2. Removed wire connectors and crimped rolled edges for solid contact.
3. Threaded wires thru mounting bracket before mounting cover plate.
4. Screwed assembly to front of drill press.
5. Tested proper function....okay.
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Switch stopped working, collar broke tightening it.

Thomas from South Jordan, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers, Wrench set
Parts Used:
904131, 904121
Unplug drill press. Remove switch screws. Remove wires from old switch. Press switch out of face plate and replace with new switch. Replace wires exactly as they were removed and screw switch plate back on to machine.
For the collar, tighten the shaft retaining screw on the right side so you are unable to lower chuck, then remo ve two bolts from chrome spring housing. Gently remove housing from bolt. Remove the two screws holding the depth gauge and the gauge itself from the collar. Remove spindle arm assembly from case. Holding the chuck, loosen the shaft retaining screw and lower the entire shaft from the case. Loosen the collar retaining allen and the collar tightening bolt in front. Slide collar off of the shaft and replace with new collar. Reverse order to reassemble.
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