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Always depressurize the
entire blasting system,
disconnect all power
sources and lockout/
tagout all components
before any maintenance
or troubleshooting is
attempted. Failure to
comply with the
above warning could
cause electrical
shock and inadvertent
activation of equipment
resulting in death or
serious injury.
The use of this product
for any purpose other
than originally intended
or altered from its
original design is
prohibited. Failure to
comply with the above
warning could result in
death or serious injury.
11
Blastmaster
157E Remote Control Switch
®
MAINTENANCE
Disassemble and Assemble Blastmaster
Maintenance of the Blastmaster
cleaning and the immediate replacement of damaged or worn parts
Note: Anytime a switch is being replaced, the cord supplied with switch should be replaced
and discarded.
Disassemble:
1) Disconnect switch from power source
2) Remove Cap (1) by turning counter-clockwise
Note: Note that terminals 1, 2 and 3 on Switch (2) and the threads in Cap (1) have silicone
on them. This silicone must be removed from all surfaces.
3) Cut cord (5) at location (7)
4) Loosen Screws (6) by rotating counterclockwise four full turns
5) Remove Boot (4) by unscrewing counterclockwise
6) Remove Switch (2) by pushing on end of exposed Toggle (8)
7) Remove any residual silicone
Assemble:
1) Install Electric Control Line (5) into Switch Body (3)
2) Taking switch (2) in hand, slide switch into place with the groove on Threads (9) facing
down Pull Electric Control Line through Switch Body until Switch (2) seats in Switch
Body
Note: When Switch (2) is properly seated, Terminal #1 (10) will be on top.
3) To connect cord, the white wire should be connected to Terminal #1 (10), the black wire
connected to Terminal #2 (11) and the green wire connected to Terminal #3 (12)
4) Decrease the amount of excess wire located in the switch cavity by pulling on cord (5)
until all of the excess has been removed
5) Tighten Screws (6) by rotating clockwise four full turns
6) Install boot (4) by rotating clockwise on Threads (9), making sure that the boot is on
snugly Over-tightening will cause damage to the boot and nullify its effectiveness One
full turn of the boot after it has reached its position should suffice
Note: Depressing boot will activate white wire. Raising boot will activate green wire.
7) Check for electrical continuity by connecting White And Black wires to a flashlight
continuity checker, then depressing boot Light should come on Repeat this
procedure with Green And Black wires, raising boot Light should come on Under no
circumstances should light come on when boot is in the center (neutral) position
Note: If the switch is not working properly, recheck steps 1 through 4.
8) Apply a sufficient amount of silicone to completely cover to terminals 1, 2, & 3 Apply
a small amount of silicone to female threads in cap (1) and install cap (1) by rotating
clockwise approximately 3 times
157E Remote Control Switch
®
157E Remote Control Switch is limited to the daily
®
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