29/4/06
TECHUK-23 REV 0
Page 5 of 6
Installation & Operating Instructions
Westlock Accutrak / Quantum 2800
With Optional MAGNUM Proximity Switches.
AIR FLOW
Pipe sizes are normally determined on semi empirical lines, basis for selection being an acceptable pressure drop e.g. not more than
10% of the applied pressure. In sizing pipes, consideration should be given to likely future demands, as a system will be inefficient if the
demand outgrows the supply. It is always better to over size mains as this will reduce air velocity and make water separation more
effective.
AIR SERVICE EQUIPMENT
The importance of proper filtration (20 Micron) and lubrication of the air supply to pneumatic equipment can never be over-emphasized
as a means of decreasing friction and preventing corrosion and wear due to moisture and abrasive solids being present in the air supply.
At higher pressures than recommended, pneumatic equipment can wear excessively with no significant increase in output and com-
pressed air is consequently wasted.
There is much to be gained, therefore, from providing pneumatic equipment with serviced air by including suitable air line filters, pressure
regulators and lubricants in the installation.
TUBES AND FITTINGS
The use of copper,stainless steel, nylon or polyethylene tube is recommended for piping up air circuits and equipment. As a general rule,
pipe threaded fittings should not be assembled to a specific torque because the torque required for a reliable joint varies with thread qual-
ity, port and fitting materials, sealant used, and other factors. The suggested method of assembling pipe threaded connections is to
assemble them finger tight and then wrench tighten further to a specified number of turns from finger tight. The assembly procedure
given below is for reference only, the fitting should not be over tightened for this will lead to distortion and most likely, complete valve fail-
ure.
1. Inspect port and connectors to ensure that the threads on both are free of dirt, burrs and excessive nicks.
2. Apply sealant/lubricant or Teflon tape to the male pipe threads. With any sealant tape, the first one or two threads should be left uncov-
ered to avoid system contamination.
3. Screw the connector into the port to the finger tight position.
4. Wrench tighten the connector aproximately 1 - 2 turns (to seal) from finger tight. again this is only reference - the fitting should
NOT
be
over tightened.
SPECIAL NOTICE
Delrin valve bodies are fitted with hellicoils therefore an extra effort should be made
NOT
to overtighten pipe fittings or retaining screws
(.5 - 1 turns from finger tight to seal). Overtightening will result in valve failure or pull hellicoils from valve body.
MAINTENANCE
Routine maintenance is usually confined to the periodic replenishment of Dow Corning
III
lubricant or equivalent to spool and spring.
WESTLOCK CONTROLS UK Ltd.
22 CHAPMAN WAY, TUNBRIDGE WELLS, KENT, TN2 3EF, ENGLAND. TEL: 44 (0)1892 516277 FAX: 44 (0)1892 516279
BUSHING
BU-10013
SPACER
VA-10048
O-RING
GS-20002
INDICATOR PIN
PILOT PISTON SEAL
GS-10017
PILOT END CAP
VA-10036
SCKT HD CAP SCREW
HD-10432
PILOT PISTON
VA-10050
SPOOL
VA-10477
SPRING
HD-10165
VALVE BODY
VA-10038
HD-10181
INDICATOR CAP
VA-10078
END CAP
VA-10063
SCKT HD CAP SCREW
HD-10348
BUSHING
BU-10013
O-RING
GS-20017
0-RING
GS-20018
O-RING
GS-20002
O-RING
GS-20020
O-RING
GS-20017
INDICATOR S/S WASHER
VA-10066
EXPLODED ASSEMBLY
OF .5 Cv 3 WAY FALCON
