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8
5. Tighten locking screws (5).
If a crown develops in the material, this can be
adjusted out by loosening or tightening the hex nuts
on the crown adjustment rod (12). Note: This rod
has been correctly set by the manufacturer and
should only be adjusted when needed.
7.3 Adjusting clamping pressure
Clamping pressure may vary depending upon
material gauge. Pressure should be great enough to
hold material securely, but not so much that it
becomes difficult to clamp.
Rotate clamping adjustment nuts (3) equally to set
clamping pressure. Proper adjustment will allow foot
pedal (9) to be locked (10).
7.4 Repeat bends
Loosen stop collar screw (16) and adjust stop bolt
(4) to limit swing of bending leaf. Retighten screw
(16).
7.5 General procedure
1. Adjust upper and/or lower fingers for width of
material and type of bend.
2. Adjust for setback and clamping pressure.
3. Position stop bolt if needed.
4. Align material in machine and press foot pedal
until it locks.
5. Raise bending leaf to desired angle.
6. Lower bending leaf and press foot pedal lock to
release material.
8.0 User-maintenance
Periodically wipe down machine with a soft rag.
Keep upper and lower fingers clean and clear of
debris. Apply light coat of SAE30 oil to upper and
lower fingers.
Periodically check tightness of fasteners.
8.1 Lubrication
Daily insert a multi-purpose grease into the two
fittings (14).
Lightly apply grease to pivot points around machine,
such as setback rods and eccentric disc.
Apply light coat of SAE30 oil to all machined
(unpainted) parts when not in use, to inhibit rust.
8.2 Additional servicing
Any additional servicing should be performed by an
authorized service technician.
9.0 Troubleshooting PBF-1650D Box and Pan Brake
Symptom Possible Cause Correction
Bends created with
great difficulty.
Machine capacity exceeded. Use material within capacity.
Incorrect setback. Increase setback.
Clamping leaf will not
clamp properly.
Improper adjustment.
Decrease distance between fingers and
beam.
Clamping not even across width. Rotate adjustment nuts equal amount.
Bend radius not
consistent across
material.
Machine capacity exceeded. Use material within capacity.
Bending leaf edge not parallel to fingers. Adjust bending leaf equally on both ends.
Bending leaf has crown. Correct with crown adjustment rod.
10.0 Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-
274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial Number of
your machine available when you call will allow us to serve you quickly and accurately.
Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET.
Some parts are shown for reference only, and may not be available individually.
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