TM 9-2540-205-24&P
FUEL REGULATOR VALVE - HUPP MF510B, MF510C, MF60A-24V, MF60B-24V - Continued
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT
NOTE
You will need either a watch with a second hand or a stopwatch to perform these
adjustments.
NOTE
If fuel hose to fuel connector is not connected, omit steps 34 and 35.
34. Fuel hose (1)
Clamp (2)
Unscrew part way.
35. Fuel tube (3)
Fuel hose (1)
Remove.
WARNING
The fuels these heaters run on are very explosive. Do not smoke or allow open
flame nearby when performing these adjustments. serious Injury or death to
personnel could result if this warning is not observed.
36. Control box (4)
Hi/LO switch (5) and
a.
RUN/OFF/START switch (6)
b.
c.
d.
e.
f.
Place end of fuel hose (1)
in graduated cylinder.
Place switch (5) in HI
position.
Place switch (6) in START
position, and start timing
fuel flow.
Wait 60 seconds, and place
switch (6) in OFF position.
Wipe off any excess fuel
that may have been
spilled.
Check table to see if fuel flow
is within limits.
Drain contents of graduated
cylinder into drain-pan.
37. Fuel regulator valve (7)
Outer adjustment screw (8)
Adjust if fuel flow is not within
limits.
Turn clockwise to
increase and counter-
clockwise to decrease
fuel flow. Repeat steps
35 and 36 until flow is
within limits.
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