INSTANT DOWNLOAD (add to cart)
Model JDM Roosa-Master Pump
Fast Idle Adjustment
1, Bring engine to operating temperature.
2. Move the throttle lever on console to the fast idle
position.
3. Adjust the swivel until the fast idle stop screw on
the injection pump arm contacts the stop with no
override on the spring.
4. Adjust the swivel an additional1-1 /2 turns to give
about 1 /8-inch override on the injection pump arm
spring.
5. These adjustments set the engine at fast idle
speed.
Slow Idle Adjustment
1. Bring engine to operating temperature.
2. Move throttle lever on console to the slow idle
position.
3. Adjust slow idle stop screw until head contacts
lever, then back off stop screw 2-1/2 turns and tighten
jam nut. This adjustment will give about 1/4-inch
override on the injection pump arm spring.
4. This adjustment sets the engine at 1200 rpm
slow i_dle speed.