Neutral to Port or Starboard Operation at ERC.

TM 55-1915-200-10

movement beyond the 15 degree

b. Check that CONTAIR TRANSF actuator (75,

point will cause throttle increase

Sheet 6 of 12) is in the AFT position.

corresponding to maximum control

lever travel.

CAUTION

a. Check B.T. TACH indicator (55, Sheet 5 of 12)

Do not crank engine for more than 30

for idle RPM indication (maximum 1000 rpm).

seconds. Allow 2 minutes for starter

to cool.

b. Move BOW THRUSTER control lever (28,

Sheet 5 of 12) to PORT or STARBOARD direction to

c. Press BOW THRUSTER START pushbutton

engage marine gear.

(56, Sheet 5 of 12) and hold until engine starts.

d. Observe B.T. TACH indicator (55, Sheet 5 of

CAUTION

12) for engine RPM indication that engine has started.

Allow 2 seconds before increasing

e. Release BOW THRUSTER START pushbutton

engine speed.

(56).

c. Increase BOW THRUSTER control lever

CAUTION

movement to desired engine rpm (maximum 2800) as

indicated on B.T. TACH indicator (55, Sheet 5 of 12).

For best performance and maximum

service life of the engine and marine

2-5.8.4. Port or Starboard to Neutral Operation at ERC

gear, shifting of the marine gear

must be done in a specific manner.

a. Move BOW THRUSTER control lever (28,

Sheet 5 of 12) to low idle position.

SHIFTING

RPM

b. Hesitate 2 seconds, then move

BOW

Neutral to PORT

Maximum

1500

RPM

THRUSTER control lever (28) to NEUTRAL.

STARBOARD

2-5.8.5. Reversing Direction Operation at ERC.

Shifting across Maximum 1000 RPM NEUTRAL

2-5.8.3. Neutral to Port or Starboard Operation at ERC.

CAUTION

Never reverse direction of the bow

thruster at full engine rpm. Damage

Do not activate and use the bow

to marine gear will result.

thruster until the thruster tunnel is

completely submerged.

a. Move BOW THRUSTER control lever (28,

NOTE

Sheet 5 of 12) to low idle position (1000 rpm) as

indicated on B.T. TACH indicator (55).

Moving the BOW THRUSTER control

lever (28, FIGURE 2-106, Sheet 5 of

b. Hesitate 2 seconds, then move BOW

12) either PORT or STARBOARD in

THRUSTER control lever (28) to new position, PORT or

the first 15 degrees of either

STARBOARD.

quadrant will engage the marine

gear. Increasing control lever

2-404