Specifications, Introduction – Powermatic 1791291K User Manual
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Introduction
This manual is provided by Walter Meier (Manufacturing) Inc., covering the safe operation and
maintenance procedures for a Powermatic Model 31A Combination Belt/Disc Sander. This manual
contains instructions on installation, safety precautions, general operating procedures, maintenance
instructions and parts breakdown. This machine has been designed and constructed to provide years of
trouble free operation if used in accordance with instructions set forth in this manual. If there are any
questions or comments, please contact either your local supplier or Walter Meier. Walter Meier can also
be reached at our web site: www.waltermeier.com.
Specifications
Model Number ..........................................................................31A................................................31A
Stock Number (1 Phase model) ....................................... 1791291K......................................................
Stock Number (3 Phase model) ............................................................................................. 1791292K
Abrasive Belt Size (in.) ...........................................................6 x 48.............................................6 x 48
Disc Size (in.) ............................................................................. 12.................................................. 12
Table Working Height (in.) ........................................ 34 disc, 36 belt............................... 34 disc, 36 belt
Sanding Arm Locking Positions (deg.) ........................... 0, 45 and 90................................... 0, 45 and 90
Disc Table Size (in.) ......................................................... 17-1/4 x 9....................................... 17-1/4 x 9
Disc Table Tilt (deg.) ................................................ 15 up, 45 down............................... 15 up, 45 down
Belt Table Size (in.) ................................................... 13-1/4 x 7-1/2................................. 13-1/4 x 7-1/2
Belt Table Tilt (deg.)........................................................... 45 down......................................... 45 down
Disc Speed (RPM) .................................................................. 2375.............................................. 2375
Belt Speed (SFPM) ................................................................. 2410.............................................. 2410
Dust Port Diameter (in.)................................................................. 4.................................................... 4
Dust Collection Minimum CFM Required .................................... 400................................................ 400
Motor ........................................................ 1-1/2HP, 1PH, 115/230V..................... 2HP, 3PH, 230/460V*
(pre-wired 115V), 60Hz, 14/7A (pre-wired 230V), 60 Hz, 7/3.5A
Overall Dimensions (LxWxH)(in.) ....................... 24 x 31-1/4 x 54-1/2........................ 24 x 31-1/4 x 54-1/2
Net Weight (lbs.) ....................................................................... 247................................................ 247
Shipping Weight (lbs.) ............................................................... 275................................................ 275
*NOTE: For 460V operation, magnetic switch (part no. 31A-MSA-2) must be purchased separately and
installed. A qualified electrician is recommended.
The above specifications were current at the time this manual was published, but because of our policy of
continuous improvement, Walter Meier reserves the right to change specifications at any time and without
prior notice, without incurring obligations.
Read and understand the entire contents of this manual before attempting set-up
or operation! Failure to comply may cause serious injury.