MacDon 9250 SP - Manual (Page 69)

Form # 46584 Issue 11/06 Web Rev_01 67
MAINTENANCE/SERVICE
Diesel Engine (continued)
ENGINE SPEED:
Engine maximum and low idle speeds are factory
set to specifications listed on page 13.
IMPORTANT: Do not remove any seals from
injector pump; removal of seals will void engine
warranty. If specified speeds can not be
maintained, see your Windrower dealer.
NATURALLY ASPIRATED ENGINE
MAXIMUM SPEED SETTING
For the naturally aspirated engine, if engine
maximum speed is not as specified on page 13,
stop engine and check that with throttle lever fully
forward the fuel pump lever contacts the full RPM
stop at (A). If not:
1. Adjust position of cable anchor (C) in slots
and/or
2. Adjust the linkage (B) between control cable
and spring on fuel pump lever.
THROTTLE ROD ADJUSTMENT
For the naturally aspirated engine:
1. With throttle lever in the low idle position (fully
back), fuel pump lever should contact slow
speed stop screw at (C).
If not:
2. Adjust position of cable anchor (A) in slots until
lever contacts stop screw at (C).
And/or
3. Adjust length of throttle linkage as follows:
•
Loosen jam nut (D) on throttle rod.
•
Lengthen throttle rod assembly with nut (F)
until lever contacts stop screw at (C).
•
Secure position by tightening nut (D).
C
A
B
FUEL PUMP LEVER LINKAGE –
NATURALLY ASPIRATED ENGINE
(2004 & Older Units Shown)
A
C
F
D
THROTTLE ROD ADJUSTMENT
NATURALLY ASPIRATED ENGINE
(2004 & Older Units Shown)