AIR-FUEL RATIO CONTROL MAINTENANCE - CONTINUED
CHECK AND ADJUSTMENT OF FUEL RATIO CONTROL LINKAGE
Check and adjustment of fuel ratio control linkage can be performed with fuel injection pump and governor
on or off engine.
Remove air supply line (46) and fuel ratio control (47).
Remove orifice screen (48) from governor housing so governor adjusting tool (52) can fit squarely against governor
If it is necessary to change linkage adjustment, install outer part of rack adjusting tool along left side of gov-
ernor before bolts for governor adjusting tool are tightened.
Move governor control lever to low idle position and install governor adjusting tool (49) as shown.
Move governor control lever to full load position and hold in position.
Turn knob so rod moves in compressor assembly (51) until needles of dial indicator move approximately 0.0394 in.
(1 mm) or one revolution of large needle.
Slowly turn knob to move rod out of compressor assembly (51) until needles of dial indicator stop moving. This is the
static fuel ratio control lever setting.