OIL AND WATER SENDING UNITS REPLACEMENT INSTRUCTIONS MK1 AND MK2 W/SABRE

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INSTALL

TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

REMOVE

TM 5-1940-277-20

TM 1940-20/2

3-101. OIL AND WATER SENDING UNITS REPLACEMENT INSTRUCTIONS MK1 AND MK2

W/SABRE

TOOLS: 7 mm Open End Wrench

17 mm Open End Wrench

19 mm Open End Wrench

12 inch Open End Adjustable Wrench

Slip Joint Pliers

PARTS/MATERIALS: Water Thermocouple

Water High Temperature Switch

Oil Pressure Transmitter

Low Oil Pressure Switch

Funnel

Suitable Container

Coolant (Item 9, Appendix C)

Pipe Tape (Item 2, Appendix C)

CAUTION

Do not leave boat with water system drained, unless a

note is attached to start switch.

NOTE

Oil and water sending units are: oil pressure transmitter, low oil

pressure switch, water thermocouple, and water high

temperature switch. These units are located on port side of

engine.

REMOVE:

Turn master switch to "OFF".

Open and secure engine hatches (refer to paragraph 3-154).

NOTE

If and engine sending units are to be replaced remove

buoyancy flotation material (refer to paragraph 3-152).

Water must be drained from exhaust manifold to remove

either water sending unit. It is not necessary to drain oil to

replace the oil sending units.