MasterCool 70070 Operating Instructions

70070/70070-M/70080 MULTI-SIZE "RATCHET STYLE" TUBE BENDER

SAFETY REQUIREMENTS

• Use only soft copper tubing with this bender.
• Always use personal safety equipment (i.e. safety glasses, gloves, etc.)
• Only personnel knowledgeable in the use of tube benders should use this tool.
• Keep bender dry and lubricate ratchet mechanism.
FORMING RADIUS BLOCK
3/8" O.D.
1/2"O.D.
5/8" O.D.
3/4" O.D.
7/8" O.D.
1 1/8" O.D. (available only in
70080 kit)
SETUP AND OPERATION
INSTRUCTIONS (FIGURE 1)
NOTE: Tube sizes are outside
diameters!
1) Choose the cross bar (6) that
corresponds to the tubing size that
you are going to bend. Install the
cross bar in the mainframe (4) slot
and tighten wing nut.
2) Select the proper size radius block
(2) and assemble to the tooth
ratchet (3). Press the radius block
onto the square end of the tooth
ratchet.
3) Set support blocks so that the
proper diameter dimensions face
the tubing. Make sure both blocks have the same diameter showing. Place tube between
support blocks and radius block. Start to squeeze ratchet handle (5). The tube will advance
into the radius block. Continue operating the ratchet handle until tube is bent to desired angle.
To ensure an accurate 90 degree angle, use a "square".
4) To remove tube, pull back radius block by pushing ratchet handle away from the mainframe
and HOLD in place. Push tubing and radius block towards the ratchet handle. Pull tube out of

OPERATING INSTRUCTIONS

BENDING RADIUS
(10mm) 1 3/16"
(12mm) 1 3/8"
(16mm) 1 5/8"
(18mm) 2 13/16"
(22mm) 3 3/8"
4 9/16"
(30mm)
(35mm)
(41mm)
(72mm)
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FIGURE 1
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