The ABCs of Carburetion

UM-900 (1959)

 

Page 16 of 19

TROUBLE SHOOTING TIPS Continued
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3. Does the plunger vent ball seat properly?
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4. Do the ball checks or valves leak?
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4. Are the pump channels free of dirt or obstruction?
CHOKE SYSTEM
(hard starting, rough idle, stalling)
1.  Check fast idle adjustment.
2.  Check vacuum and heat connections.
3.  Check choke cover indexing setting.
tmp8F9-4.jpg
5. Does the power piston move freely?
PUMP SYSTEM
(hesitation)
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4. Is the choke valve free?
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1.  Is the purnp leather hardened or distorted?
2.  Do the inlet or outlet valves leak?
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5. Is the choke piston free of dirt or carbon?
16

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