GP44 Semi-Automatic Strapping Machine
OPERATION -36-
Block
Block
GAP A
CLOSED TOP PLUNGER
Plunger
Plunger
STRAP FEED SOLENOID ADJUSTMENT
In the strap feed (down)
position. The feed roller
bearing shaft "floats" in the
slot.
Only the Strap Feed
Roller Spring applies
pressure to the strap
feed roller bearing shaft
when feeding strap.
SIDE VIEW
SIDE VIEW
Plunger
Adjust screw up or
down to decrease
or increase spring
pressure.
Only the Strap Feed
Roller Spring applies
pressure to the strap
feed roller bearing shaft
when feeding strap.
Plunger
ADJUST SPRING
FOR PROPER
FEED PRESSURE.
STRAP FEED SOLENOID ADJUSTMENT
OPEN TOP PLUNGER
Feed Roller Bearing
Strap
Block
NO
GAP
Feed Roller
HEIGHT AS
SET SOLENOID
SHOWN HERE.
NOTE:
One type of spring is
used for 5mm strap.
Another type of spring is
used for 6mm and greater.
BEARING AND STRAP
BETWEEN ROLLER
VERIFY GAP
AS SHOWN HERE
PlungerPlunger
Plunger Spring
Feed Roller Bearing
FRONT VIEW
Plunger Spring
The solenoid operates by energizing
a coil which creates a magnetic field
which pulls down the plunger. When
the plunger pulls down, it should
"bottom out" in the solenoid. The
plunger itself does not apply any
pressure to the feed roller bearing.
The plunger is open on top so
only the strap feed roller spring applies
a force to the strap feed roller bearing
shaft.
Strap
SIDE VIEW
Block
GAP
Feed Roller
NOTE:
One type of spring is
used for 5mm strap.
Another type of spring is
used for 6mm and greater.
BETWEEN ROLLER
VERIFY GAP
AS SHOWN HERE
BEARING AND STRAP
When the solenoid de-energizes.
The plunger spring raises the plunger
which in turn raises the roller as the
top of the block bolted to the plunger
presses up on the feed roller bearing.
There should be a gap between the
feed roller bearing and the strap in
this position.
FRONT VIEW
Plunger Spring
GAP
SIDE VIEW
GAP
GAP A = Gap between
small diameter of shaft
and top of slot.
GAP B = Gap between
large diameter of shaft
and top of block.
.030 pin should fit in
Gap A & B.
Plunger
Adjust screw up or
down to decrease
or increase spring
pressure.
Feed Roller Bearing
Feed Roller
GAP B
NO
Strap
GAP
GAP A
GAP B
Plunger
NOTE: ON NEWER MACHINES,
SOLENOID BRACKET IS NOT
SLOTTED SO THIS ADJUSTMENT
IS NOT NEEDED.
TO SET SOLENOID HEIGHT:
MANUALLY PRESS FEED ROLLER
BEARING ON STRAP AS SHOWN
HERE. SET SOLENOID HEIGHT SO
FEED ROLLER BEARING SHAFT
"FLOATS" IN SLOT WHEN PLUNGER
"BOTTOMS OUT" IN SOLENOID.
THERE MUST BE A GAP AT GAP A
& GAP B.
Feed Roller Bearing
Plunger Spring
The solenoid operates by energizing
a coil which creates a magnetic field
which pulls down the plunger. When
the plunger pulls down, it should
"bottom out" in the solenoid. The
plunger itself does not apply any
pressure to the feed roller bearing.
The plunger is slotted so the feed
roller bearing shaft "floats" in the slot.
Only the strap feed roller spring applies
a force to the strap feed roller bearing
shaft.
Plunger Spring
Feed Roller
GAP
Strap
FRONT VIEW
GAP
When the solenoid de-energizes.
The plunger spring raises the plunger
which in turn raises the roller as the
top of the block bolted to the plunger
presses up on the feed roller bearing.
There should be a gap between the
feed roller bearing and the strap in
this position.
Plunger Spring
GAP
FRONT VIEW
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