INSTRUCTIONS FOR BOAT OPERATOR AND CREW DURING LAUNCH AND RETRIEVAL

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GETTING UNDER WAY ASTERN FROM BERTH

TM-5-1940-277-10 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK 1(1940-01-105-5728) MODEL USCSBMK 2 (1940-01-218-9165) Manual

INSTRUCTIONS FOR BOAT OPERATOR AND CREW DURING LAUNCH AND RETRIEVAL -cont.

TM 5-1940-277-10

TM 1940-10/1

d. Push transmission control levers (1) all the way forward.

e. Pull port scoop control lever (2) all the way back leaving the starboard scoop control lever (3) in neutral.

Push the port throttle control lever (4) slowly forward leaving the starboard throttle control lever (5) at idle speed.

g. When the boat is clear of the berth, pull the starboard scoop control lever (6) back and push the starboard throttle

control lever (7) forward until they are in the same position as the port control levers.

h. When ready to go forward, cut engine rpm to 750 - 800, push both scoop controls (8) forward and increase

engine rpm to desired speed.

2-23.

INSTRUCTIONS FOR BOAT OPERATOR AND CREW DURING LAUNCH AND RETRIEVAL.

WARNING

It is critical for SAFETY purposes to keep the engine hatch covers dosed when

engines are running, except when engine maintenance is being performed.

CAUTION

Prior to launch the bilge plug must be installed. Water will enter boat and cause

damage. If the MK-2 boat audible alarm sounds during a controlled launch, shut

engine down immediately. Engine oil may flow aft, leaving oil pump pick-up

exposed, resulting in complete loss of engine oil pressure. Restart MK-2 engine

after boat stern is floating but before disconnecting cable from lifting point

shackles.

a. Controlled launch (0 - 5 feet per second).

(1) Operator and crew will help prepare the boat for launch by:

(a) Releasing the tie downs (1) from cab (2).

(b) Positioning cab (2) over forward compartment using lifting handles (3).

(d) Connecting windshield wiper electrical plug (5) to receptacle at center of control panel.

(e) Removing six tiedowns (6) and placing them on transporter walkway.

(f) Removing down stream aft stanchion (7) by pulling retaining pin (8) out and lifting stanchion out of

socket. Placing stanchion on transporter walkway and reinstalling retaining pin.