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W1756/W1757 43" Wide-Belt Sander
SERVICE
Air System Diagram
J. Oscillation Speed Control Piston
K. Belt Tension Control Piston
L. Belt Tension Control Switch
M. Emergency Stop Button Switch
N. Emergency Stop Push Brake Switch
O. Left Belt Limit Switch
P. Right Belt Limit Switch
Q. Belt Tension Limit Switch
R. Emergency Brake Contactor
A. Shop Compressor
B. Air Pressure Regulator
C. Emergency Brake Solenoid
D. Emergency Brake
E. Air Distribution Manifold
F. Airflow Adjustment Knob
(Oscillation Timing)
G. Speed Control Adjustment Knob
(Oscillation Speed)
H. Oscillation Controller Air Fork
I. Oscillation Timing Piston and Diaphragm Assembly
A
B
C
D
E
F
G
I
J
K
L
H
Front
Upper Right Door Access
Lower Right
Access Panel
Power Box
Upper Left Door Access
M
N
P
Q
O
R
air system diagram
Note: Both Model W1757 sanding heads operate on separate, but identical air systems.