ACORN ENGINEERING FIELD SERVICE
TOLL FREE
800-743-8259 •
LOCAL
626-855-4866 •
FAX
626-855-4863
INSTALLATION, OPERATIONS & MAINTENANCE MANUAL
Please visit
www.acorneng.com
for most current specifications.
Ferrule Nut
1/4"
Min.
Ferrule
Nut
-H Hand Operated
1/8" O.D. AIR TUBE
1/4" O.D. WATER LINE
Leave a minimum 1/4” of polyethylene tubing
through the Ferrule Nut on the pushbutton
assembly. This is necessary to ensure proper
tubing connection.
Timing Screw
To adjust timing,
turn timing screw.
HAND OPERATION & CONNECTIONS
Turn timing screw clockwise to
increase timing.
Do not over tighten
ferrule nuts.
®
MERIDIAN 3791-LO
Part #: 9927-140-001
Page 14 of 28
Date: 03/06/19