O.S. Engines FR5-300 - Manual (Page 16)

28
Note: The choke valve assembly is not included in the carburettor complete.
Type of screw
C...Cap Screw M...Oval Fillister-Head Screw
F...Flat Head Screw N...Round Head Screw S...Set Screw
CARBURETOR EXPLODED VIEWS & PARTS LIST
The specifications are subject to alteration for improvement without notice.
26381501
24981405
26381501
46481320
22781800
46481330
26381501
46481200
46281340
46481310
22781800
46481100
46281900
29081952
24981837
26381501
46181940
46181941
46181950
26711305
26781619
26681305
26681803
45581700 1
2
2-1
3
3-1
4
4-1
5
6
7
7-1
8
9
9-1
9-2
9-3
9-4
9-5
9-6
9-7
10
10-1
10-2
11
Description Code No. No.
Set-screw
Throttle Lever Assembly
Set-screw
Mixture Control Screw Assembly
"O" Ring (2pcs.)
Mixture Control Screw Holder Assembly
Set-screw
Carburetor Rotor
Mixture Control Valve Pin
Mixture Control Valve Assembly
"O" Ring (2pcs.)
Carburetor Body
Needle Valve Assembly
Needle Assembly
"O" Ring (2pcs.)
Set-screw
Needle Valve Holder Assembly
Needle Valve Holder
Fuel Inlet
Ratchet Spring
Throttle Stop Screw Assembly
Throttle Stop Screw
Throttle Stop Screw Holder
Carburetor Retaining Screw
N.+M3x25
S.M3x3
S.M3x3
S.M3x3
S.M3x3
1
2
2-1
3-1
3 4-1
4
5 6
7
7-1
8
10
10-1
10-2
11
9
12-1
12-3
12-2
12-4
12-6
12-5
12-7
12 13
29
1.
2.
3.
ASSEMBLY OF FR5-300 (SIRIUS) DISPLAY STAND
Secure attachment lugs with
M3 headless set-screws.
Insert each half of stand into joiner and secure with
M3 headless set-screw.
Slip rubber-tube cushion loosely over strut,
prior to joining halves of display stand.
Joiner
Remove the standard radial mount from the
rear of the engine and replace with display
stand, using two of the engine attachment
screws (M4x18) plus M4 nuts provided.
Slide rubber tube cushion over joiner. This acts as
a support for the front end of the engine.