Operating Manual
Servicing Procedures
10/3/01
17
6.
REMOVE THE PCD RETAINER- Remove the PCD Retainer by hand by turning it
counter clockwise.
7.
REMOVE THE PATTERN CONTROL DISC (PCD)- Lift the PCD off the Mixing
Module Retainer.
8.
REMOVE THE MIXING MODULE RETAINER- Using the 5/8” Open-End
Wrench, remove the Mixing Module Retainer.
NOTE:
To free a PCD that appears to
be stuck, disengage the Safety
Stop, then depress and
release the gun trigger to
unseat it.
9.
REMOVE THE MIXING MODULE- Move the Safety Stop to the “Open” position,
then depress and release the gun trigger. The Module should unseat itself from the
Gun Block. Lift the Module off the end of the Valving Rod.
Important: Do not attempt to dig out the Mixing Module using a sharp object.
10. LOOSEN THE REAR SEAL RETAINER ASSEMBLY-Using the 1/2” Open-End
Wrench, back out the Retainer Assembly one or two turns.
11. LOOSEN THE LOCK NUT- Using the 3/8” Open-End Wrench, loosen the Lock
Nut until it disengage s from the thread on the Valving Rod.
12. REMOVE THE SAFETY STOP- Push the Stop partially forward, rotate it to the full
counter clockwise position, and slide the Stop off the Air Cylinder.
13. REMOVE THE VALVING
ROD- Depress the Trigger
Lever and hold. Using a
3/8” Open-End Wrench,
hold the Lock Nut while
using the 5/16” Spintite to
unthread the Rod Draw Bar
and Valving Rod from the
rear of the gun. When the
threads disengage, remove
the assembly by hand.
Figure 10. Valving Rod Removal
14. DISCONNECT THE AIR SUPPLY- Disconnect the Air Hose from the Quick
Disconnect Fitting on the Air Supply Hose.
15. REMOVE THE GUN BLOCK- Using the 3/16” Hex Key, remove the Gun Block
Retaining Screw. Carefully slide the Gun Block away from the Air Cylinder. If
dried chemical has built up on the Gun Block removal may be difficult. Removing
the dried chemical will make removal easier.
16. CLEAN ALL COMPONENTS THOROUGHLY BEFORE REASSEMBLY- Using
the appropriate Brass Brushes, Clean Out Drills, etc. remove residual chemical. Use
Cotton Swabs soaked with Gun Cleaner if necessary. When finished, coat the
threads and the mating surfaces of the Gun Block, Gun Block Bracket, and Gun with
Lubriplate Grease.
17. INSPECT THE GUN BLOCK- It is important to keep the Gun Block clean and free
from damage to ensure proper operation of the Spray Gun. It has been coated with a
proprietary coating to help protect it from damage and make it more difficult for
chemical to adhere to it. However, it still requires periodic attention.
