THROTTLE AIR CYLINDER AND THROTTLE LINKAGE
Ensure battery disconnect switch is in OFF position.
Relieve air system pressure by draining supply (depress pin in center of automatic drain valve), secondary,
and auxiliary air reservoirs.
Remove engine top panel and door assembly, and rear cowl, refer to Engine Hood Removal procedures.
Disconnect electrical leads at idle switch (20, Figure 2-2-3) and electrical connector at throttle position
There may be residual pressure in air lines after air reservoirs are drained.
Wear eye protection when disconnecting air lines to prevent injury.
Disconnect air line from fitting (24) at rear of throttle air cylinder (15).
Remove nut (1), lockwasher (2), capscrew (3), and aft end of throttle rod (4) from lever (28).
Remove springs (5) from eye bolts (23) and bracket (52).
Remove nuts (6), lockwashers (7), capscrews (8), washers (9), oil pressure sender and switch bracket
assembly (10), throttle position switch (35) with attached brackets, and throttle air cylinder (15) with attached
components from engine mounting bracket.
Remove nuts (11), lockwashers (12), washers (13), capscrews (14), and separate throttle air cylinder (15)
from lever (27) and bracket (28).
Remove screws (16) and bracket (17) from throttle air cylinder (15). These screws are part of the cylinder
and should be reinstalled at this time.
Remove nut (18), washer (19), and idle switch (20) from bracket (17).
If necessary, remove nuts (21), washers (22), and eye bolts (23) from bracket (17).
Remove fitting (24) from throttle air cylinder (15).
Remove cotter pin (25), washer (26), and separate lever (27) and bracket (28).
If necessary, remove nut (29) and carriage bolt (30) from bracket (28).
Remove nuts (31), lockwashers (32), screws (33), washers (34), and throttle position switch (35) from
adjusting bar (39) and bracket (43).
If necessary, remove capscrew (36), washers (37), nuts (38), and adjusting bar (39) from bracket (43).
If necessary, remove capscrews (40), lockwashers (41), washers (42), and bracket (43) from bracket (44).