Gardner Denver THOMAS SK405MAJ Assembly Procedures
Gardner Denver THOMAS SK405MAJ Assembly Procedures

Gardner Denver THOMAS SK405MAJ Assembly Procedures

Compressor service kit for use on 405aaseries model compressors

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STEP 17. Assemble the new front cover gasket and front cover to the back of the
compressor.
STEP 18. Assemble the new filter to the side of the compressor and reattach the
plastic ratchet.
Figure 5
Front Cover
Gasket
Front
Cover
3524 Washington Avenue
Sheboygan, Wisconsin 53081 USA
(920) 457-4831 www.gd-thomas.com
Foam
Filter
Plastic
Ratchet
MODEL SK405MAJ

COMPRESSOR SERVICE KIT

For use on 405AASeries Model Compressors
WARNING:
Unplug the compressor before beginning disassembly.
CAUTION:
Improper assembly or use of damaged parts may lead to
premature failure. To avoid frequent repairs follow the recommended
assembly procedures.
This kit includes the following parts:
607605 Connecting Rod/
Eccentric Bearing Assembly
NOTE:
Before you begin, read these instructions thoroughly and
assemble the necessary tools. You will need:
 Torx T-25 attachment for torque wrench (for head screws).
5/16" allen wrench for for torque wrench (eccentric screw)
 Flat Screwdriver
 Clean Cloths
633562 - Front Cover Gasket
625307 Flapper Screw
617045 Valve Keeper
621102 Valve Flapper
(ASSEMBLE CURL FACING DOWN)
623121 Head Gasket
623537 Cylinder Sleeve
O-Ring
641169 Filter
Part No.642706 REV. C 02/09

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Summary of Contents for Gardner Denver THOMAS SK405MAJ

  • Page 1 MODEL SK405MAJ STEP 17. Assemble the new front cover gasket and front cover to the back of the compressor. COMPRESSOR SERVICE KIT STEP 18. Assemble the new filter to the side of the compressor and reattach the plastic ratchet. For use on 405AASeries Model Compressors Figure 5 WARNING: Unplug the compressor before beginning disassembly.
  • Page 2 DISASSEMBLY REASSEMBLY Figure 3 Figure 1 STEP 9. Clean the top of the valve plate with a clean, soft cloth. Install the new exhaust valve STEP 1. Clean loose dirt from the outside flapper (curl facing down). The valve keeper of the compressor.

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