Mueller A-3 User Manual

A-3 Drilling &

Tapping

Machine

Valve Instructions

If the machine is operated as shown or at a
higher angle, with the word “Top” up, chips
will fall into a receptacle behind the swinging
valve, and not interfere with the operation of
valves. Used in the position shown the chain is
more convenient to adjust.

Position
Horizontal
Tap

(continued)

Valve Instructions (continued)

1. By-Pass Valve Handle (2) must be turned to
left as far as possible and remain so until tap
is made.

2. Raise Boring Bar, close Gate Valve; then turn
By-Pass Valve Handle (2) to right as far as
possible.

3. Proceed according to machine instructions,
and when cap is again in place, turn By-Pass
Valve Handle (2) to left as far as possible to
equalize pressure in bottom and top of Cylinder.
Open Gate Valve and insert Corp Stop.

4. Then turn By-Pass Valve Handle (2) to right as far
as possible and remove machine.

5. To clean valve – to remove dirt or chips from
Valve, remove Screw (1) so Handle (2) can be
taken from Stem (4), unscrew Nut (3) then
unscrew Stem (4) until out of Valve. Take a piece
of wire and clean Valve Port (5).
LEAVE THIS TAG HERE UNTIL YOU ARE
PERFECTLY FAMILIAR WITH THE OPERATION
OF THIS BY-PASS VALVE.

Phone: [phone]

By deviating from the above listed instructions, you will void any

product warranty and release Mueller Co. and its aliated entities

from any and all liability associated with the installation or use of
this product. For details on the product’s warranty, terms, and
conditions, please visit www.muellercompany.com.

© 2016 Mueller Co., LLC. All rights reserved.
Form 5272 06/16