Briggs & Stratton 250000 Specifiche Pagina 145

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5
5
NOTE: SPECIFICATION TABLES BEGIN ON PAGE 28 OF THIS SECTION.
Adjust Top No Load Speed
Pneumatic Governor, Dual Spring Control
Model Series 9B900, 9C900, 98900, 10A900,
10B900, 10C900.
Single Spring Control
Model Series 9B900, 9C900, 93900, 95900,
96900, 98900, 10A900, 10B900, 10C900
1. Run engine until it reaches operating temperature
or for about 5 minutes.
2. Move governor lever (1) to “Fast Position.” Hole in
lever (2) will line up with hole in governor control
bracket (4). Insert 1/8” rod (3) through both holes
to lock lever position, Figs. 5, 6.
Fig. 5
1
2
3
4
3. Dual Spring: Using Tool #19229 or 19352, Tang
Bender (5), bend secondary governor spring tang,
(“A” to increase, “B” to decrease), until there is no
tension on secondary spring, Fig. 6.
Fig. 6
5
4
1
A
B
4. Bend primary governor spring tang, (“A” to increase,
“B” to decrease), until engine speed is 200 RPM less
than “TOP NO LOAD” RPM, Dual Spring, or at
“TOP NO LOAD” RPM, Single Spring, Fig. 7.
5. Dual Spring: Bend secondary governor spring
tang until “TOP NO LOAD” RPM is obtained,
Fig. 6, as specified in Engine Sales Manual,
MS-4052 or MS-6225, Service Engine Sales
Manual microfiche.
Fig. 7
A
B
5
1
4
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