Romac Industries Inc. Sewer Pipe Tapping Machine Instructions for use

Transmate
Air Driven Sewer Pipe Tapping Machine
Instruction and Maintenance Manual
21919 20th Avenue SE • Suite 100 • Bothell, WA 98021 • 1 800 426 9341 • Fax [phone] • www.romacindustries.com
WARNING
Extreme caution should be used when operating this piece of equipment. Rotating
holesaws, cutters and pilot bits can cause injury if caution is not used.
Doc#: 35-20-0003 01/12/2004
© Romac Industries, Inc. 2004
Thank you for your purchase of the Sewer Pipe Tapping Machine.
Please read and understand this short operation manual. This machine will give you
years of service if the instructions below are followed. Please read the accompany-
ing Gast Air Motor instructions for care and maintenance of the air motor. Clean air
and proper motor lubrication are essential for longevity of the air motor. Our goal is to
serve you, our customer. If you have any questions please call us at 1-800-426-9341
This Tapping machine is intended to cut non-pressurized lines. This machine is
not for use on metal pipe as the speed of the machine is beyond the cutting speed
of most metal cutting holesaws.

The diamond tipped pilot bit is used to cut cement, clay and reinforced
cement pipe. A pressurized water tank connected to the bearing housing is
needed to introduce water for ushing while the pilot bit is cutting. Failure to
provide water to the diamond tipped pilot bit during cutting will result in im-
mediate failure or rapid wear of the diamond tipped pilot bit.
Locate the at on the side of the pilot then insert the blunt end of the
pilot into the main swivel housing. Align the set screw hole with the pilot drill
at. The set screw must bear down on the pilot bit at to ensure the pilot bit
turns while cutting the pilot bit hole.
INSTALLING THE DIAMOND TIPPED PILOT BIT
GEAR BOX
LOCKING COLLAR
BEARING HOUSING
MAIN SWIVEL
HOUSING
DIAMOND TIPPED
PILOT SET SCREW
DIAMOND TIPPED
PILOT FLAT
HOLE SAW WATER
SPRAY HOLE
DIAMOND TIPPED PILOT
WATER TANK VALVE
EYE BOLT
INSTALLING THE DIAMOND TIPPED HOLESAW
Place the Diamond Tipped holesaw on the end of the main swivel hous-
ing. The boss on the end of the main swivel housing ts into the bore in the end
of the holesaw. Next align the two 7/16” bolt holes in the holesaw with the two
3/8” threaded holes in the main swivel housing. Insert the two 3/8” x 3/4” long
hex screws from inside the holesaw shell and thread them into the main swivel
housing.
DIAMOND TIPPED HOLESAW BOLTS
DIAMOND TIPPED PILOT
Note: Do not connect the Sewer Pipe Tapping Machine to its power source until the pilot bit and
holesaw have been installed and you are ready to use the unit.
If the following key points are NOT followed this air motor will be damaged.
Please read the cover sheet and Gast motor manual before using this drive.
• Use only clean, dry, lubricated air to drive the motor.
• Air tool oil in the air supply is essential. Make sure air oil lubricator is lled with air tool oil.
• Locate the air oil lubricator as close to the drive as possible.
• Clean air is essential. Make sure your lters are clean.
• Sand, dirt or water entering the air motor will destroy it. Make sure no contaminates enters this motor.
The Air Drive (Gast - Model # 4AM) is driven by an external compressor with the following minimum require-
ments:
Air Output: 60-75 CFM (cubic feet per minute)
Pressure Output: 80-100 p.s.i. (pounds per square inch)
*Please note that pressure less than 80 p.s.i. will severely affect the power of the air motor and its ability to complete
the cut.
*An in-line oil lubricator is essential and should be located as close as possible to the air motor. Improper lubrication
to the air motor will cause it to fail prematurely.
The Air Drive Specications (Gast - Model # 4AM):
Horsepower: 1.75 h.p.
Speed (RPM): 3000 free @ 60 cfm and 100 psi
Weight: 30 lbs (approx)
WARNING

The Air Driven Sewer Pipe Tapping Machine is powered by a 1.75 horsepower motor. Operation is as simple
as attaching the air hose from your compressor or other source to the end of the trigger handle. Care should be
taken to ensure the holesaw and pilot bit have been properly connected before attaching the Sewer Pipe Tap-
ping Machine to a power source.
INSTALLING PVC ADAPTER, PVC PILOT & PVC HOLESAW
The PVC adapter, which mates the PVC pilot and
PVC holesaw to the Sewer Pipe Tapping Machine is
easily installed by inserting the cutter screws up through
the 7/16” holes and threading them into the main swivel
housing. Next thread the PVC pilot into the end of the
PVC adapter and tighten. Thread the Jam Nut onto the
end of the PVC adapter until it bottoms out on the back
of the threads, then turn it back one to two turns. This
allows the Jam Nut to be backed away from the holesaw
when removing the holesaw after the cut.
CONNECTING THE AIR DRIVEN UNIT TO COMPRESSOR
CONNECTING THE PRESSURIZED WATER TANK
WATER TANK HAS TO
BE USED WHEN
CUTTING WITH
DIAMOND TIPPED
PILOTS AND
HOLESAWS. FLOW OF
WATER MUST BE
INTRODUCED HERE.
PVC Adapter
Main Swivel Housing
Cutter Bolts
Jam Nut
PVC Pilot
PVC Holesaw
Note: Water needs to be introduced to
the diamond tips when using the diamond
tipped pilot and diamond tipped holesaws.
Damage to the pilot bit and holesaw will re-
sult if water is not used while cutting.
Connect the water tank quick disconnect
to the nipple sticking out the side of the bear-
ing housing. Make sure the nipple is sticking
through the eye bolt thatʼs threaded into the
gearbox. Pressurize the water tank by using
the pump handle on the tank.

• Mark the cutting site using a center punch and hammer to make a dimple in the pipe wall.
• Turn on the pressurized water tank by rotating the water valve that is connected to the bearing housing.
• Set the end of the diamond tipped pilot bit into the dimple in the pipe.
• Start machine and continue cutting until hole is completed. Caution: Do NOT press down on the machine. Let the
speed and weight of the machine do the cutting.
• Remove machine and turn off the water.
The “coupon” in almost all cases will remain in the holesaw.
The point on the PVC is self starting. Put the point of the bit on the pipe. Pull up on the lever to start the cutter rotating
then push down on the machine to start the pilot. Once the pilot bit breaks through the pipe wall, ease up on the feed rate to
allow the hole saw to cut through the pipe wall at maximum speed. If you push down on the holesaw, its speed will decrease
and the cut will take longer.
Once the cut is complete release the lever and pull the holesaw out of the pipe. In most cases the “coupon” will remain
in the holesaw. If handled properly, the PVC pilot should last for many cuts.
If handled properly this unit should last for many years with little maintenance. The gearbox is lubricated for life. In the
case that the gearbox lubrication is lost, please refer to the literature provide with this manual.
The air motor (Gast - Model # 4AM) literature provided with this manual should be read and carefully followed. Damage
to the air motor will result if this information is not followed.
Manual Lubrication:
Shut the air motor down and oil after every 8 hours of operation. Add 10-20 drops of oil to the air motor intake port.
Lubrication:
Use Gast # AD220 or a detergent SAE # 10 automotive engine oil for lubrication. Lubrication is necessary to prevent rust
on all moving parts. Excessive moisture in the air line may cause rust or ice to form in the mufer when air expands as
it passes through the motor. Install a moisture separator in the air line and an after cooler between compressor and air
receiver to help prevent moisture problems.
Shutdown and storage Procedure:
1) Disconnect the air source from the drive.
2) Remove the mufer from the drive.
3) Use clean, dry air at low pressure to “ush out” condensates, such as water.
WARNING: Solid or liquid material exiting the unit can cause eye or skin damage. Keep away from the air stream
4) Re-lubricate the air motor with a squirt of oil in the air intake port (Recommended oil, Mobil Almo 525).
Rotate the shaft by hand several times (10 complete revolutions min).
5) Replace the mufer and cap or plug the intake port. The unit is now ready for storage.
CUTTING PVC / HDPE PIPE
CUTTING CEMENT PIPE
MAINTENANCE AND CARE OF THE MACHINE

377-01 SM, Sewer Pipe Drilling Machine (control handle assembly)

377-01 SM, Sewer Pipe Drilling Machine

377-01 SM, Sewer Pipe Drilling Machine (gear box assembly)

377-10 SM, Diamond Tipped Pilot 377-14 SM Water Tank Assembly
377-15 SM PVC Pilot Complete
377-12 SM, Cutter Adapter PVC
350-52 TM, Jam Nut