HRR216PKA
MAINTENANCE
3-13
14. GOVERNOR
MAXIMUM SPEED ADJUSTMENT
1. With the engine off, loosen the governor arm nut on
the governor arm.
2. Push the governor arm away from the carburetor to
open the carburetor throttle valve fully.
3. Hold the carburetor throttle valve fully open, and turn
the governor arm shaft clockwise fully. Tighten the
governor arm nut to the specified torque.
TORQUE:10 N•m (7 ft-lb)
4. Verify that the governor arm and the carburetor throttle
valve arm operate smoothly.
5. Start the engine and warm it up to the normal
operating temperature.
6. Have an assistant hold the flywheel brake lever while
you perform the maximum engine speed adjustment.
7. Check the maximum engine speed.
8. If adjustment is necessary, bend the governor spring tab on
the fuel valve plate very slightly.
• Left increases spring tension and engine speed.
• Right decreases spring tension and engine speed.
DANGER
The blades are rotating during this procedure.
The rotating blades will cause amputation if you
come in contact with them.
Do not allow your hands or feet to come into
contact with the rotating blades while performing
this procedure.
Maximum speed
(no load)
2,950 ~ 3,100 rpm
GOVERNOR
SPRING
GOVERNOR ARM
GOVERNOR
ARM NUT
GOVERNOR
ARM SHAFT
FUEL VALVE
PLATE
BEND
BEND
INCREASE
SPEED
DECREASE
SPEED
GOVERNOR
SPRING TAB
SERVICE BULLETIN #106 =>
Summary of Contents for HRR216PKA
Page 5: ...iv HRR216PKA NOTES...
Page 9: ...SPECIFICATIONS HRR216PKA 1 4 NOTES...
Page 45: ...MUFFLER HRR216PKA 5 2 NOTES...
Page 49: ...RECOIL STARTER HRR216PKA 6 4 NOTES...