
OPERATING & MAINTENANCE INSTRUCTION MANUAL
MODELS 427A (R-1), 428A (R-2), AND 429A (R-3) WELD HEADS
REV. AB
MODEL 514 TUBEMASTER OR 515/516 PIPEMASTER POWER SUPPLY
9
THESE DOCUMENTS, AND THE CONTAINED INFORMATION HEREIN, ARE PROPRIETARY AND ARE NOT TO BE REPRODUCED, USED OR DISCLOSED TO
OTHERS FOR MANUFACTURE OR FOR ANY OTHER PURPOSE, EXCEPT AS SPECIFICALLY AUTHORIZED, IN WRITING, BY MAGNATECH, LLC
4.9
Spares and Expendable Parts
Use only original spares and expendable parts. With parts purchased from other suppliers, there is no
certainty that these parts have been designed and manufactured to cope with the operation and safety
requirements that will be made of them.
When ordering spare parts, please give the exact description and the relevant part number, as given in the
spare parts list. Please also give the serial number of your machine.
4.10
Safety Precautions in Normal Operation
Only operate the power supply if all its protective features are fully functional. Before switching power on to
the power supply ensures that nobody can be injured. At least once a week, check the power supply for any
damage that may be visible from the outside, and check that the safety features all function correctly.
4.11
Turn Power Off Before Connecting/Disconnecting Cables
Turn the Main Power Switch of both Controller and power supply off before connecting or disconnecting any
cables to prevent possible damage to the electrical circuitry.
4.12
Always Stop Motors before Reversing
Do not snap reverse motors. Switch motor to the "OFF" position before reversing direction. Fast reversing
can reduce motor power and shorten life.
4.13
Abrasive Grinding Dust will Cause Premature Wear
Avoid grinding in the vicinity of the Weld Head. Grinding dust is extremely abrasive and should not be
allowed to contact Weld Head and controls.
4.14
Be Cautious About Heat Damage to Head
Do not allow the Weld Head to remain on preheated pipe when not actually welding.
4.15
Do Not Expose System to Rain
Do not allow the Weld Head to be exposed to rain.
4.16
Check to ensure that Weld Head Rotation will not be obstructed
Ensure that the rotation of the Weld Head will be unobstructed by adjacent structure, pipes, etc. If a doubt
exists, jog the Head around prior to striking an arc and carefully observe for interference