Low Voltage Cable Replacement - Ransburg 75785 Service Manual

REA-90 and 90L Spray Applicators - Maintenance
3. Use a 3/32-inch hexagon Allen wrench to loosen
(DO NOT remove) the set screw that retains the
low voltage cable plug assembly to the handle.
The set screw is located toward the bottom of the
handle on the front side (see Figure 21).
4. Hold the bottom of the plug assembly and pull
it straight out of the handle.
C A U T I O N C A U T I O N
C A U T I O N C A U T I O N C A U T I O N
! ! ! ! !
Trying to twist or unscrew the low
>
voltage cable plug assembly from the handle
will damage the low voltage plug assembly
and the hook/transformer. If this occurs,
both components have to be replaced.
Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection
Cleaning and Inspection Cleaning and Inspection
1. The low voltage cable plug assembly should
not be cleaned or soaked in any solvents. If the
assembly is contaminated, it must be replaced.
2. Examine the low voltage cable plug assembly
for damage to the housing, broken wires, and/or
broken solder joints. If any are found the assembly
must be replaced.
3. Examine the five (5) o-rings of the low voltage
cable plug assembly and replace any that are
damaged.
4. If the old low voltage cable plug assembly is to
be reinstalled into the applicator, it should be
tested first. (Refer to "Low Voltage Control Unit
Test Assembly" manual.)
Reinstall Reinstall
Reinstall Reinstall Reinstall
1. Apply a light coating of dielectric grease to the
three (3) o-rings and insert the low voltage cable
plug assembly into the handle. (DO NOT push the
assembly fully into the handle.)
2. Rotate the plug assembly until the slot in the
aluminum housing is aligned with the set screw in
the handle.
4 9 4 9 4 9 4 9 4 9
3. Push the low voltage cable plug assembly into
the handle until it seats into the hook/transformer
assembly.
4. Tighten the set screw until it seats into the
alignment slot of the low voltage cable plug
assembly.
LOW VOLT T T T T AGE CABLE LOW VOL LOW VOL AGE CABLE AGE CABLE AGE CABLE
LOW VOL LOW VOL AGE CABLE
REPLACEMENT REPLACEMENT REPLACEMENT
REPLACEMENT REPLACEMENT
Removal Removal
Removal Removal Removal
W A R N I N G W A R N I N G W A R N I N G
W A R N I N G W A R N I N G
! ! ! ! !
Prior to working and/or performing
>
maintenance on any part of the gun assem-
bly, make sure that the control unit, AVIA-
TOR, or MGS System are turned off
(locked and/or tagged out). Also make
sure that all residual voltage is drained from
the system by grounding the needle/elec-
trode.
1. Using a wrench, unscrew the low voltage cable
assembly from the low voltage cable plug assembly
in the handle.
2. Remove the low voltage cable assembly from
the plug assembly by pulling straight out.
3. Unscrew the low voltage cable assembly from
the control unit.
4. Remove the low voltage cable assembly from
the fluid and air hose bundle.
Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection
1. If prior testing has shown that the low voltage
cable assembly is bad, the cable assembly must
be replaced.
AH-94-04.7