IMPCO Propane Carburetor Mixer - Model CA100M-2-2

IMPCO LPG Carburetor - Model CA100M-2-2

CA100M-2-2 47.6mm (1.88'') Air Horn Silicone

The CA55M Mixer has a 1-7/8 Air Horn and can be mounted in either an updraft, downdraft or sidedfraft orientation, supplying either LPG or Natural Gas to engines to engines upto 73 HP (1 to 54kw), with a flow rate of 118 CFM (55.7 L/s).

MODEL CA100 CARBURETOR DESCRIPTION

The Model 100 is a single diaphragm air-gas valve carburetor/mixer. It offers a 90 degree air inlet to provide
low overhead clearance, and is available with several Air Horn and throttle body options. This unit is available
for LPG Vapor and Natural Gas applications with air flow requirements up to 197 CFM (93 L/s). The
Model 100 is also available for feedback applications with the ‘FB’ designation.
The 100 mixer provides a convenient 1/8 NPT balance port and two separate air valve vacuum ports. Additional
low speed, idle mixture control can be obtained to lean air/fuel mixtures through the use of optional
shims.

SPECIFICATIONS
Fuel Type .......................................... LPG Vapor or Natural Gas
Inlet Pressure .................................... -1.5” w.c. (-0.37 kPa)
Operating Temperature Range ......... -40°F to +250°F (-40°C to +121°C)
Mounting Position .............................. Vertical
Diaphragm Material ........................... Hydrin or Silicone
HP/kW Rating .................................... 106 HP (79 kW) @ 170 CFM (80 L/s) and 1.5” in Hg manifold depression
........................................................123 HP (91.7 kW) @ 197 CFM (93 L/s) and 2.0” in Hg manifold depression

COMPONENTS
ITEM# PART# DESCRIPTION
1 S1-3 Screw, 10-24 x 5/8" SEMS (4)
2 C1-17 Cover
3 S2-85 Spring, air valve
4 S1-22 Screw, 5-32 X 1/4" SEMS (4)
5 P2-22 Plate, backup
D1-17 Diaphragm
D1-17-2 Diaphragm, Silicone
7 R1-19 Ring, air valve
8 NSS Air Valve
AV1-14 Air Gas Valve Assy, Complete
AV1-14-2-962 Air Valve 30/35
10 NSS Body, CA100M & 110M 2-5/6" AH
11 S1-69 Screw, 1/4-28 x 5/16" (2)
12 S1-74 Screw Idle
13 S2-88 Spring, Idle Screw
14 NSS Plug, 1/8 NPT
15 G1-11 Gasket, Throttle Body to Mixer
16 S1-19 Screw, 12-24 x 5/8" SEMS (4)
17 NSS Throttle Body
18 NSS Pin, Throttle Stop (2)
19 S5-1 Throttle shaft, 6.4 mm (0.25") dia.
NSS Fly, 19.1mm (0.75")
NSS Fly, 25.4mm (1.00")
NSS Fly, 31.8mm (1.25")
NSS Fly, 38.1mm (1.50")
21 NSS Screw, 6-32 x 1/4" SEMS (2)
NSS Bearing Oilite, 6.4mm (0.25") I.D. (2)
NSS Bearing Oilite, 8.0mm (0.31") I.D. (2)
NSS Bearing Needle, 8.0mm (0.31) I.D. Opt.
NSS Seal, 6.4mm (0.25") shaft (2)
NSS Seal, 8.0 mm (0.31") shaft (2)
S3-25 Seal, internal, 8.0 mm (0.31") I.D., Opt.
24 R1-9 Ring, Seal Retainer
AL1-8-1 Throttle Stop ass'y, 6.4 mm (0.25") I.D.
AL1-8-2 Throttle Stop ass'y, 8.0 mm (0.31") I.D.
26 NSS Throttle Stop Lever, 6.4mm (0.25") I.D.
27 S1-21 Stop screw, 10-32 x 3/4"
28 S2-15 Spring, Idle Stop Screw
29 S1-18 Pin, Screw, Throttle Stop
NSS Throttle Lever, Short w/Screw
NSS Throttle Lever, Long w/Screw
G1-16 Gasket, 19.1 mm (0.75") Flange
G1-17 Gasket, 25.4 mm (1.00") Flange
G1-18 Gasket, Flange 1-1/4" SAE
NSS Gasket, 31.8 mm (1.25") Flange