CARBURETOR MODEL 1904
TABLE OF CONTENTS
DESCRIPTION
PAGE
1.
DESIGN
1
2.
APPLICATION
2
3.
MAJOR SUBASSEMBLIES
2
OPERATION
1.
FUEL INLET SYSTEM
3
2.
MAIN WELL AND ECONOMIZER BODY
4
3.
MAIN METERING SYSTEM
5
4.
IDLE SYSTEM
6
5.
POWER ENRICHMENT SYSTEM
6
6.
ACCELERATING PUMP SYSTEM
7
7.
CHOKE SYSTEM
8
8.
DASHPOT
8
OVERHAUL
1.
INTRODUCTION
9
2.
SPECIAL TOOLS AND IMPROVISED TOOLS
10
3.
MASTER REPAIR KITS
10
4.
DISASSEMBLY
10
A. Preparation
10
B. Disassembly-Main Body Assembly from
Throttle Body Assembly
10
C. Disassembly-Main Body Assembly
12
D. Disassembly-Throttle Body Assembly
17
5.
CLEANING AND INSPECTION
17
A. Cleaning
17
B. Inspection
18
6.
REASSEMBLY
18
A. Reassembly-Throttle Body
18
B. Reassembly-Main Body
19
C. Reassembly-Main Body to Throttle Body
Assembly
22
INSTALLATION
1. INSTALLATION ON THE ENGINE
22
2. CARBURETOR ADJUSTMENTS
22
A. Adjusting the Idle
22
B. Adjusting the Dashpot
22
