American Flow Control B-84-B-5 Product Manual page 23

WARNING: POTENTIAL HYDRANT CAP HAZARD. WARNING: POTENTIAL HYDRANT CAP HAZARD.
BLOWING OFF, CAUSING SERIOUS INJURY OR DEATH. BLOWING OFF, CAUSING SERIOUS INJURY OR DEATH.
main and the hydrant is closed and that main and the hydrant is closed and that
Step 1 Step 1
Remove the nozzle cap. Remove the Remove the nozzle cap. Remove the
screw (84-24-4 or 84-24-5) with a 5/32 screw (84-24-4 or 84-24-5) with a 5/32
wrench. Unscrew the 5/16 in external slotted screw (84- wrench. Unscrew the 5/16 in external slotted screw (84-
24-3) out of the lug on the 24-3) out of the lug on the
Step 2 Step 2
Use a universal spanner wrench or AMERICAN Flow Use a universal spanner wrench or AMERICAN Flow
Control nozzle wrench to rotate nozzle 1/8 turn clockwise. Control nozzle wrench to rotate nozzle 1/8 turn clockwise.
The nozzle can now be pulled from the hydrant barrel. The nozzle can now be pulled from the hydrant barrel.
Step 3 Step 3
Remove O-ring gasket from the nozzle boss. Insert new Remove O-ring gasket from the nozzle boss. Insert new
O-ring and lubricate with food grade grease. Place the O-ring and lubricate with food grade grease. Place the
nozzle spacer O-ring (84-20-5) or (84-25-5) on the nozzle nozzle spacer O-ring (84-20-5) or (84-25-5) on the nozzle
directly behind the nozzle collar. Place a small amount of directly behind the nozzle collar. Place a small amount of
lubricant on the plain end of the new nozzle. lubricant on the plain end of the new nozzle.
Note: Where grease is Note: Where grease is
Flow Control recommended food grade grease. Flow Control recommended food grade grease.
AMERICAN AMERICAN Flow Control Flow Control
B-84-B AMLOK NOZZLE REPLACEMENT B-84-B AMLOK NOZZLE REPLACEMENT
(FOR HYDRANTS BUILT PRIOR TO 2006) (FOR HYDRANTS BUILT PRIOR TO 2006)
Amlok Nozzle Replacement Amlok Nozzle Replacement
the hydrant is not charged with pressure when removing caps. the hydrant is not charged with pressure when removing caps.
5/16 in. internal set 5/16 in. internal set
in. hex head allen in. hex head allen
nozzle. nozzle.
specied, use an AMERICAN specied, use an AMERICAN
FAILURE TO RELIEVE PRESSURE CAN RESULT IN THE CAP FAILURE TO RELIEVE PRESSURE CAN RESULT IN THE CAP
Make sure the auxiliary gate valve in the lateral between the Make sure the auxiliary gate valve in the lateral between the
Step 4 Step 4
Insert the new nozzle into the hydrant barrel with the Insert the new nozzle into the hydrant barrel with the
tapped lug at the 7:30 position. Push the nozzle home tapped lug at the 7:30 position. Push the nozzle home
and rotate counterclockwise until the nozzle and rotate counterclockwise until the nozzle
Step 5 Step 5
Insert the 5/16 in. slotted nozzle set screw (84-24-3) Insert the 5/16 in. slotted nozzle set screw (84-24-3)
into the tapped lug on into the tapped lug on
into the slot on the hydrant barrel to remove any into the slot on the hydrant barrel to remove any
the nozzle. The top of the set screw should be the nozzle. The top of the set screw should be
the surface of the nozzle lug. the surface of the nozzle lug.
Step 6 Step 6
Start internal set screw (84-24-4) or (84-24-5) into the Start internal set screw (84-24-4) or (84-24-5) into the
threaded hole inside the nozzle. Apply Loctite Thread threaded hole inside the nozzle. Apply Loctite Thread
Sealant #545 or equivalent to the external threads of Sealant #545 or equivalent to the external threads of
the set screw. Continue to turn the set screw into the the set screw. Continue to turn the set screw into the
threaded hole with a 5/32 in. hex head allen wrench threaded hole with a 5/32 in. hex head allen wrench
until it stops. DO NOT TIGHTEN. Replace the nozzle until it stops. DO NOT TIGHTEN. Replace the nozzle
cap and hydrostatically test the hydrant. cap and hydrostatically test the hydrant.
Page 1B-22 Page 1B-22 American-Darling 5-1/4" B-84-B-5 American-Darli
stops. stops.
the nozzle. Tighten the set screw the nozzle. Tighten the set screw
ush with ush with
ng 5-1/4" B-84-B-5
play in play in
Hydrant Hydrant