5B-12 - MERCARB 2 BARREL CARBURETOR 90-823225--1 1096
Disassembly
IMPORTANT: Before performing any service on
carburetor, it is essential that carburetor be
placed in a holding fixture to prevent possible
damage to throttle valves.
The following is a step-by-step procedure for com-
pletely overhauling carburetor removed from engine.
In many cases, however, complete overhaul is not
necessary and, in these cases, only the steps re-
quired to repair the carburetor malfunction should be
performed. Read the instructions carefully to prevent
doing any unnecessary steps.
CHOKE HOUSING ASSEMBLY
1. Remove choke cover.
72403
a
a - Choke Cover
2. Remove choke lever. Remove choke housing.
72401
b
a
a - Choke Lever
b - Choke Housing
AIR HORN ASSEMBLY
1. Remove fuel inlet filter nut, washers, spring, and
filter, as outlined previously.
2. Remove accelerator pump rod retaining clip.
Pivot rod (as required) until retaining ear on rod
and slot in pump shaft and lever assembly align,
allowing rod to be pulled out.
72283
b
c
a
a - Accelerator Pump Rod
b - Retainer Clip
c - Pump Shaft and Lever Assembly
3. Remove idle cam screw. Also, remove choke rod
by pivoting rod (as required) until retaining ear on
rod and slot in choke lever align, allowing rod to
be pulled out.
72282
b
c
a
a - Idle Cam Screw
b - Idle Cam
c - Choke Rod
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