S-22
WG972-E2, DF972-E2, WSM
GASOLINE / LPG ENGINE
LPG Vaporizer Regulator (DF972-E2)
LPG vaporizer regulator is tamper resistant; the main and idle
pressure adjustment screws have been covered by tamper caps
after adjustment at the factory.
W10371670
Vaporizer Joints (DF972-E2)
1. The direction of the joint for vapor hose is decided upon and a
mark (2) is made.
2. The direction of the joint for water hose is decided upon and a
mark is made.
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•Vaporizer must be installed in an upright position (water
hoses at bottom).
•The joints (fitting) can be adjusted to any position. The joint
must be tight in that position.
•Apply an approved for GAS or LPG use liquid gasket (Three
Bond 1104 or its equivalent) to thread (see figure) and
tighten it.
•Drain plug (1) must not be obstructed ; so that it can be
removed during maintenance.
•Apply liquid gasket to the thread of each joint and tighten
them.
•After selecting the joint (fitting) positions, insure that there
are no leaks.
W1099553
(1) Tamper Resistance
Tightening torque
Joint for LPG hose
(local arrangement)
19.6 to 32.9 N·m
2.0 to 4.0 kgf·m
14.5 to 28.8 ft-lbs
Joint for vapor hose 29.4 to 58.8 N·m
3.0 to 6.0 kgf·m
21.6 to 43.2 ft-lbs
Joint for water hose
(1) Drain Plug
(2) Mark
(3) Liquid Gasket
(4) Thread of Joint
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