Table 2-1. Unit Preventive Maintenance Checks and Services (cont)

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Table 2-1. Unit Preventive Maintenance Checks and Services (cont)

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

Table 2-1. Unit Preventive Maintenance Checks and Services (cont)

TM 5-1940-277-20

TM 1940-20/2

Table 2-1. Unit Preventive Maintenance Checks and Services (cont)

W-Weekly

Q-Quarterly

S-Semiannually

Item to be inspected

Interval

Procedure: Check for and have repaired, filed,

Item

or adjusted as needed

No.

S Item

Perform all operator PMCS first

(Cont)

INSTRUMENT PANEL, MK2

INSTRUMENT PANEL, MK1 OR MK2

WITH CUMMINS ENGINE

WITH SABRE ENGINE

Console (16), instrument panel (17), steering (18), and controls (19). Check for

structural damage and for loose or missing parts. Check that steering and

control levers operate without drag or binding. Check that controls and their

cables operate properly and are properly adjusted. With batteries installed,

turn on battery master switch (20) and check that auxiliaries voltmeter (21)

indicates above 24 volts. Check that cabin, inspection, anchor, towing, search,

and navigation lights are in their proper locations and not broken. Press horn

switch (22) and check that horn operates. Check for loose, broken, or missing

hardware and replace torn or missing rubber switch boots.

FUEL SYSTEM.

MK1 OR MK2 WITH SABRE ENGINE

2-6

Change 2