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Last Update:  14/02/12 

 

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DIMENSIONAL DRAWING 

 

 

 

INSTRUCTIONS 
This product is to be utilized with clean fresh water, even slightly additivated with normal detergents. For use involving 
different or corrosive liquids, contact the PA Technical department. Appropriate filtration should be installed when using 
unclean  liquids.  Choose  the  gun  in  line  with  the  data  of  nominal  running  (system  rated  pressure,  max  flow  and  max 
temperature). In any case, the pressure of the machine should not exceed the permissible pressure rate imprinted on the 
gun. 
 
INSTALLATION 
This gun was designed to operate with hot water (in compliance with the technical specs). Provide the plant generating 
hot water with an equipment limiting the incidental increase of the fluid temperature. 

Always fit a safety valve to protect the delivery conduct when the latter is under pressure. 

Choose  a  suitable  nozzle  and  ad  just  the  valve  mounted  in  the  front  of  the  gun,  thus  obtaining  a  constant  supply  and 
avoiding unpleasant pressure spike when closing the system. 
If  the  nozzle  wears  out,  the  pressure  falls.  When  you  install  a  new  nozzle,  adjust  the  system  back  to  the  original 
pressure. 
 
OPERATIONS 
The gun opens and closes a high pressure conduct by means of a piston acting on a seat; the return is controlled by a 
spring  which  releases  the  trigger.  Attention:  during  pump  activation  always  set  the  gun  with  its  safety  latch 
connected in order to prevent accidental openings
 
WATER HOSE FEED 
By high or very unsteady pressure values on delivery, it is necessary to mount a pressure reducer , both to level the flow 
rate on delivery and to protect the system components

 

 

 
 
 
 

Summary of Contents for RL57 sst

Page 1: ...n the gun shuts off the heater continues to transmit the heat to the water thus increasing both temperature and pressure up to high dangerous values Using the gun at a water temperature higher than 60 C involves for the operator the use of adequate sa fety devices such as gloves glasses etc Instruction manual maintenance installation spare parts For a correct utilization follow the directions of t...

Page 2: ...idental increase of the fluid temperature Always fit a safety valve to protect the delivery conduct when the latter is under pressure Choose a suitable nozzle and ad just the valve mounted in the front of the gun thus obtaining a constant supply and avoiding unpleasant pressure spike when closing the system If the nozzle wears out the pressure falls When you install a new nozzle adjust the system ...

Page 3: ...maintenance manual of the machine The present manual is valid for all the guns named RL57 sst SPARES Use original PA spares only in order to get both a correct operation and a long lasting reliable product MAINTENANCE Maintenance has to be carried out by Specialized Technicians STANDARD every 400 working hours circa 10 000 cycles check and lubricate the seals with water resistant grease SPECIAL ev...

Page 4: ...ecting rod RL51 56 PA black 1 10 12 30 4122 51 Parallel pin 4x13 mm Sst 1 10 13 30 4127 84 Trigger RL51 56 PA black 1 10 14 30 1510 84 Safety latch PA red 1 10 15 30 4707 51 Sst front Plug M10x1 1 2 16 10 4018 00 Back up ring 3 2x7 5x1 2 mm 1 10 17 10 3165 00 O ring 2 62x2 84 mm Vi 70 1 10 18 30 4109 51 Piston 3x37 6 mm Sst 1 10 19 30 4705 55 Sst housing RL57 1 1 20 30 4708 51 Seat 4 8mm Sst 1 2 2...

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