Archive, Flushing, Gun rep – Ransburg M90 Handguns 77073, 77132 User Manual

Page 22: Gun rep gun repair air air air air, Equipment required

AH-99-01.3

M90 Handguns - Maintenance

1 8

FLUSHING

PROCEDURES

The fluid system should be thoroughly cleaned
by flushing with a clean compatible solvent
whenever a color change is made, or when the
gun will not be used for an extended period.

Turn OFF the control unit power. Turn
OFF supply air to the AVIATOR power
generator.

Turn the paint supply OFF.

Turn the shaping air supply OFF.

Tilt the gun down and trigger until it is
clear of paint.

Set the trigger stop lever and remove
the nozzle nut, air nozzle, and fluid
nozzle.

Connect the solvent supply.

Release the trigger stop and run solvent
through the system until it runs clear.

Disconnect the solvent supply.

Trigger the gun until it is clear of solvent.
After the preceding steps are complete,
the gun is ready for color change, stor-
age, or maintenance.

GUN REP

GUN REPAIR

AIR

All repairs should be made on a clean, flat sur-
face. If a vise is used to hold parts during ser-
vice or repair, do NOT clamp onto plastic parts
and always pad the vise jaws!

Apply dielectric grease (LSCH0009-00) to the
following parts when assembling:

• All Rubber O-Rings (Teflon o-rings do not

need lubrication)

• Needle Shaft Assembly 73352-00
• Packing Tube 72378-01
• Transformer/Hook Assembly 71202-XX
• Air Valve Rod Assembly 79310-00

Apply sealant (7969-10) to the external threads
of the following parts when assembling:

• Air Valve Retaining Nut 78635-00
• Spring Cap 77015-00

EQUIPMENT REQUIRED

• Special Multi-Purpose Gun Wrench 19749-00
• Nozzle Tool 72468-00
• 2.5mm Wrenches 74133-00 (2)
• Nozzle Wrench 76428-00
• Spanner Wrench 20254-01
• 3/32-inch Allen Wrench
• Open End Wrenches: 15/16, 7/8, 11/16, 9/16,

7/16, 3/4, 3/8, and 1/4-inch

• Screwdriver (blade)
• Dielectric Grease LSCH0009-00
• Medium Strength Sealant 7969-10
• Plastic or Wood Dowel Rod, 5/16-inch diameter

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