STOK QUATTRO SGP4130N Manuel D'instructions page 17

 Remove cap from LP gas cylinder.
 Hold the regulator firmly and insert nipple into the gas
cylinder valve.
NOTE: Nipple must be centered in the cylinder valve.
 Holding coupling nut and regulator as shown, turn cou-
pling nut clockwise and tighten by hand taking care not
to cross-thread the connection. Do not use tools.
NOTE: The regulator will seal in the cylinder valve result-
ing in some resistance. An additional one-half to three-
quarters turn is required to complete the connection.
If you cannot complete the connection, disconnect and
repeat the above two steps. If you still cannot complete
the connection, DO NOT use this regulator!
 Inspect valve connections port and regulator. Look for
any damage or debris. Remove any debris. Inspect hose
for damage. Never attempt to us damaged or plugged
equipment. See your local LP Gas Dealer for repairs.
Fig. 22
ASSEMBLY
HANDWHEEL
Fig. 23
CYLINDER
VALVE
PLASTIC
STRAP AND
CAP
Fig. 24
17
CYLINDER
VALVE
CYLINDER
REGULATOR
NIPPLE
COUPLING
VALVE
NUT
REGULATOR