dos0711
Member
What is the purpose of the spring, washers and cotter pin that I've circled in red? Mine are missing and wonder if I should replace them.
59 Ford 631 Spring at bottom of throttle lever...
KYErik
Platinum Member
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- Dec 2, 2005
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- South central IL
- Tractor
- 1977 AC 7000, 1980 JD 2840, 1963 Case 930, 1963 Ford 4000, 1943 Case SC, Case 530CK backhoe
It probably just keeps the linkage from "pivoting/flopping" around and much and keeps everything more snug with less play. Does the engine rpm seem pretty constant/governor work well?
OP
dos0711
Member
Yes the governor works fine. The comp spring is in place and it holds a speed.
KYErik
Platinum Member
- Joined
- Dec 2, 2005
- Messages
- 904
- Location
- South central IL
- Tractor
- 1977 AC 7000, 1980 JD 2840, 1963 Case 930, 1963 Ford 4000, 1943 Case SC, Case 530CK backhoe
Maybe it reduces wear over the long term. I'd say that your machine has held up pretty well as is 
OP
dos0711
Member
Soundguy what are your thoughts...?
strum456
Platinum Member
I always assumed that it was intended to keep the throttle shaft from riding up out of position. The spring would allow some axial movement which would prevent binding, as opposed to a cotter pin and washer.
Soundguy
Old Timer
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agreed.. it's securing it in place and keeping it where it should be.