62-3028—4
3
D05 PRESSURE REGULATING VALVES
3
TIGHTEN LOCKNUT BY
TURNING CLOCKWISE
1
LOOSEN LOCKNUT
BY TURNING
COUNTERCLOCKWISE
THE CLOCKWISE AND COUNTERCLOCKWISE
DIRECTIONS ARE DETERMINED BY LOOKING
DIRECTLY AT THE ADJUSTING BOLT
1
1
1
M762
100
75
50
25
0
125
150
175
200
0
200
400
600
800
1000
1200
1400
PSI
kPa
HONEYW
ELL
BRAUK
MANN
150 200
250
300
100
50
PSI
water test
2
TURN ADJUSTING BOLT
COUNTERCLOCKWISE
TO DECREASE OR
CLOCKWISE TO
INCREASE OUTLET PRESSURE
Replacing the Cartridge (See Fig. 2)
The working parts of the D05, including diaphragm, valve
seat, strainer, and disk are all contained in a replaceable
cartridge. To replace the cartridge:
���
Shut off the supply valve and open a downstream
faucet to relieve the system pressure.
CAUTION
To prevent injury and/or equipment damage,
loosen locknut and turn adjusting screw
counterclockwise to remove spring
tension.
���
Loosen locknut and turn adjusting screw
counterclockwise to remove spring tension.
���
Remove the bonnet and washer using an
adjustable wrench, socket, or box-end wrench.
���
Remove the cartridge using two screwdrivers as
levers.
���
Attach new O-rings and screen onto the new
cartridge. Make sure O-rings are properly installed
above and below the screen.
���
Insert the new cartridge. Do not scratch the sides.
���
Place the washer on top of the cartridge.
NOTE:
The inner lip must be pointing up to avoid
damaging the diaphragm.
���
Replace the spring, spring cup, and bonnet.
���
Readjust the outlet pressure to the desired setting
by using the procedure described in Changing the
Outlet Pressure section.
Fig. 1. Changing outlet pressure.