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DeWalt DWE305 Reciprocating Shaft Replacement

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  1. DeWalt DWE305 Reciprocating Shaft Replacement, Trigger Assembly: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the seven 3/4" Button Head Torx Security screws out of the handle with the Torx T20H bit and IFixit Precision Bit Driver.

  2. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Take the top cover off after the screws have been removed to access the trigger assembly.

  3. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the single 3/4" Button Head Torx Security screw that is securing the trigger assembly using the Torx T15H bit.

    • Pull the entire trigger assembly from the handle.

  4. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use the pointed end of the metal sludger to pry open the rectangular casing that houses the electrical contacts and wiring of the trigger assembly.

    • Be very careful not to damage any of the wiring or electrical contacts with the metal spudger

    • Assess the condition of the assembly by checking the inside of the casing for any dust, dirt, or misalignment.

  5. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Look on the back of the assembly by turning it over to the casing where the wires protrude and see if there is any damage to the cables which are connected to the motor assembly.

  6. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Look over the spring component and see if it is misaligned or warped.

    • You may have to use the flat, blunt part of the metal spudger to move the spring around and see the inside of the casing.

  7. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • If any part of the trigger assembly such as electrical contacts, wiring, or the spring is damaged beyond repair, then replace the assembly and reconnect the new component to the wiring attached from the motor assembly.

  8. DeWalt DWE305 Reciprocating Shaft Replacement, Reciprocating Shaft: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a #2 Phillips Screwdriver to remove the large black screw at the shoe of the device or the black plastic housing.

  9. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a Torx T20H bit and the iFixit Precision Bit Driver to remove the four 3/4" Button Head Torx Security screws from inside the shoe housing.

  10. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Once the four safety housing bolts are removed, pull the black plastic cover (the shoe) from the device.

  11. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Slide the black rubber component (the boot) off to access the reciprocating shaft assembly and metal plate.

  12. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the four 1.5” Stainless Steel Button Head Torx screws that are attached to the gold metal plate. Remove the screws using a Torx T25H bit with the iFixit Precision Bit Driver.

  13. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:013crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the two smaller black ¾” Button Head Torx Screws using the Torx T20H bit with the iFixit Precision Bit Driver.

  14. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the gold metal plate carefully. You may need to use a flat tool to pry the cover off from the sticky surface.

  15. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • After removing the plate, the reciprocating shaft is now exposed. Remove the shaft and assess it for damages or loss of lubrication.

    • If the shaft is not lubricated, apply saw lubricant generously.

  16. DeWalt DWE305 Reciprocating Shaft Replacement: crwdns2935265:016crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Assess the front of the shaft where the blade goes. If dust or dirt are clogging the shaft, carefully clean the shaft with small cotton swabs and cleaning fluid.

    • Be aware of the blade if it is attached and take caution not to make the surface too slippery with lubricant or cleaning fluid.

    • If any part on the reciprocating shaft is damaged, then replace the reciprocating shaft with a new part.

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To reassemble your device, follow these instructions in reverse order.

Lance Schlecter

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Embry-Riddle Aeronautical University, Team S23-G4, McClure Fall 2019 crwdns2935289:0Embry-Riddle Aeronautical University, Team S23-G4, McClure Fall 2019crwdne2935289:0

ERAU-MCCLURE-F19S23G4

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