Archive – Ransburg REM Automatic Applicator 73499 User Manual

Page 27

AA-87-02.3

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REM Automatic Applicator - Maintenance

6. Reassemble the cleaned or replaced parts in
reverse order of disassembly. Be sure the
applicator is triggered when the valve seat and
screw are assembled to the barrel. When
inserting the seal in the fluid nozzle, make sure
the 45

° chamfered end is inserted first and points

in the direction of the front of the applicator.

Barrel / Cascade Disassembly

Prior to disassembly of the applicator

ensure the procedure for “Removing the
Applicator from the Work Site” has been
completed.

C A U T I O N

!!!!!

1. Loosen barrel nut [19] with the spanner wrench.

2. Disengage fluid tube nut [67] from barrel [18].

3. Remove piston housing [39], springs [37] and
[38], adjusting nut [36], and jam nut [35].

4. Pull barrel [18] and body [25] straight apart.

There is no need to remove retaining

ring [20] or barrel nut [19] from barrel [18]
unless they are damaged. If they are to
be removed, lift one end of ring [20] over
the “captive ridge” and spiral it off of the
end of the barrel. Then nut [19] can be
removed. To replace them on the barrel,
slide nut [19] onto the barrel, place ring
[20] against the back of the barrel, lift one
end of it onto the barrel ad spiral it on and
into its groove.

N O T E

5. Remove the air and fluid nozzles, seal, and
valve screw and seat as described in the previous
step.

6. Remove valve rod extension [22] from end of
shaft assembly [11] using two 9mm wrenches.

7. Remove packing nut [16] from chamber [104]
with spanner wrench.

8. With a firm pull, remove needle shaft assembly
and seals from chamber [103].

During this operation be careful that the

interior surface of chamber [103] is not
damaged, marred, or scratched. The
bottom of this chamber is a seal area and
the barrel/cascade assembly will have to
be replaced if it is damaged.

N O T E

9. Remove the trigger adjusting nut [17] from end
of needle shaft assembly [11].

10. To remove the front u-cup seal [9] from the
needle shaft assembly [11] place in paded vise,
gripping the center portion of the shaft with two
2.5mm wrenches. Unlock the ball valve needle
[7] from the jam nut {7A] using the flats on both.
The front u-cup seal [9], spreader seal [8], and
pusher seal [10] can now be removed.

11. The valve seal [6] and fluid tube seal [64] can
now be removed from the barrel.

Barrel / Cascade Assembly

• Clean all disassembled parts with a suitable

clean solvent.

• If the electrode is bent, straighten it carefully by

hand.

• Check all parts for damage or wear. Replace

those that are damaged or worn with new parts.

• Replace front u-cup seal [9] fluid line seal
[64] and valve seal [6] with new parts.

• Inspect the needle shaft [11] sealing surface

for wear. If it is rough or uneven, replace it as
follows:

1. Place pusher seal [10] onto the front of needle
shaft assembly [11] with the flat side toward the
front.

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