TM 3-1040-276-10
1-7. DIFFERENCES BETWEEN MODELS. The proce-
Fog oil pump:
dures and illustrations throughout this manual pertain
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M4
to the production model of the M3A4 smoke generator.
Type . . . . . . . . . . . .Pressure-driven
M3A3 models that have been modified to M3A4 models
air motor-oil pump
may differ slightly in location and appearance of assem-
Fog oil:
blies or component parts. These modified generators
Type . . . . . . . . . . . . . . . . . . . . . SGF2
are identified by the following series of serial numbers:
Performance:
Engine . . . . . . . . . . . . . . . . . . 60 pulses per second
R26-0001 through R26-3999
Smoke production . . . . . . . . . . . . . . 30 seconds after
R26-5000 through R26-9999
starting engine
Gasoline:
1-8. EQUIPMENT DATA.
Tank capacity . . . . . . . . . . . . . . . . . 3 1/2-gal(15.41)
Octane rating . . . . . . . . . . . . . . . . . . . . . 76 or higher
Weight (empty) . . . . . . . . . . . . . . . . . . . . . 180 lb(397 kg)
Consumption rate . . . . . . . . . . . . . 3 GPH (13.2LPH)
Weight (filled) . . . . . . . . . . . . . . . . . . . . 200 lb(447 kg)
Fog oil consumption rate:
Length..................................................42 in. (1.07m)
Minimum . . . . . . . . . . . . . . . . . . . . .25 GPH(110 LPH)
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 in. (45.7 cm)
Maximum . . . . . . . . . . . . . . . . . . 50 GPH (220.3 LPH)
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 in. (58.4 cm)
Normal . . . . . . . . . . . . . . . . . . . . . 40 GPH (176.4 LPH)
Engine type . . . . . . . . . . . . . . . . . . . . . .. Pulse jet. single
(sustained)
cycle,air-cooled
Shipping and storage data:
Starting method . . . . . . . . . . . . . . . . . . . Hand-operated
Packing . . . . . . . . . . . . . . . . . . One per wooden crate
magneto and air pump
Weight . . . . . . . . . . . . . . . . . . . . . . 260 lb (566.4 kg)
Spark igniter size . . . . . . . . . . . . . . . . . . . . . . . . 18mm
Cube . . . . . . . . . . . . . . . . . . . . . . . 20 cu ft (0.57 cu m)
1-4