FUEL SYSTEM
3-15
3-/ 4-Cylinder
4. Remove and discard all serviceable gaskets and diaphragms.
NOTE
Use of gasket
(5)
with black rubber diaphram
(6)
is
discontinued on past production models 60, 70, 80
and 90. Remove and discard them. Factory
replacement parts include resin film diaphragm with
two gaskets.
5. Remove all checkvalves
(7)
from pump body.
Cleaning
1. Clean all pump components with mild solvent or isopropyl
alcohol.
2. Clean pump mounting surface on carburetor with isopropyl
alcohol (models 40 and 50).
3. Dry all components with low pressure compressed air. Ensure all
passages are completely dry.
Inspection
1. Inspect pump body
(1)
for cracks.
2. Inspect check valves
(2)
for deformation.
3. Inspect pump covers
(3)
for cracks, surface
deformation, and thread damage.
4. Inspect guide plate
(4)
and spring
(5)
for deformation and
proper tension (models 115, 120, and 140).
3
4
5 6 7
5 6 7
7
T1022
T1009
T1010
T1011 T1012
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