CHAPTER 2 OPERATING INSTRUCTIONS - TM-5-6120-250-120022

CHAPTER 2

OPERATING INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF EQUIPMENT

tightness, see that handle will operate in both high and

2-1. Unloading of New Equipment

low speed and that wheels will go up and down to their

Unloading by Ramp.

full extent without binding.

(1) To unload from flatcar an end ramp

(8) Tires. Inspect tires for cuts or other

suitable for semi-trailers and capable of supporting

damage and see that valves are installed securely and

30,000 lbs. must be used.

inflation is correct.

(2) A truck tractor for towing semi-trailers

(9) Wheel bearings. Check hubs for proper

must be used to tow trailer from flatcar. Use standard

oil level and add oil according to current Lubrication

hitching and towing procedures.

Order.

Unloading with Crane.

(10)

Brakes.

Be sure all slack

(1) If it is necessary or more advisable to

adjusters are connected to cam shafts, brake chambers

unload the equipment by crane. The crane must have

are intact, emergency relief valve is secure and

at least 30,000 lb. lifting capacity.

connected to the brake chambers. Make sure air tank is

(2) Refer to paragraph 2-24 Preparation for

not damaged and securely mounted.

Hoisting Trailer for sling arrangement.

(11)

Accessories.

Check that

ladder, ground rods and spreader bars are not damaged

2-2. Unpacking New Equipment

and are properly secured to the desk. Inspect cable

General.

The substation is a self-

reels for damage, cable ties securing cable to drums

contained mobile unit mounted on a semi-trailer. Its

and drums are held from rotating by their bar lock.

packing is only to prevent tampering by unauthorized

Substation Components.

persons while in transit. Park trailer in the normal

(1) Inspect all hinged panels, doors and lids

manner and remove truck-tractor.

for alignment and see that they operate freely and close

Unpacking. Remove protective material

securely against their gaskets. Inspect all bolted panels

from the faces of the gages on transformer, and

for all mounting bolts, broken gaskets and see that all

windows of high voltage cabinet. Cut and remove metal

are tight.

band around the top of low voltage cabinet. These

(2) Inspect all switches and circuit breakers

bands were to secure doors only. Cut and remove

for secure mounting and proper operation. Inspect all

metal bands, wood spacer block, and heavy paper

gages for cracks, broken glass and secure mounting.

covering cables on cable reels. Remove all filler

(3) Inspect transformer for signs of

material from storage cabinets being careful not to

insulating oil leaks and bent or broken valves.

inadvertently dispose of spare parts. Cut wire securing

removable bar on high voltage cabinet.

CAUTION

2-3. Inspection and Servicing

Make provision so landing gear does

Trailer.

not sink into soft ground. Make sure

(1) Body. Inspect body for damage and

all doors of cabinet will open and

loose mounting bolts of equipment.

close.

(2)

Electrical wiring. Examine all

accessible wiring for chafing, cracking and loose

2-4. Installation or Setting Up Instructions

connections.

General.

Place trailer in position

(3) Wheeland lug nuts. Be sure all lug nuts

relative to its source of primary power or as situation

are present and tight.

dictates. Trailer body should be as level as possible.

(4) Springs. Inspect the springs for sag,

Lower landing gear using crank on the right side of

broken or shifted leaves and loose mounting bolts.

trailer bed. Disconnect and remove prime mover, block

(5) Lights and reflectors. See if all lamps

wheels on one side of trailer. Unfasten the access

light when switch of towing vehicle is in ON position.

ladder from the forward deck. Place the ladder in

Reflectors should be secure and clean .

position and the guardrail stanchions in the holes in the

(6) Air lines.

Inspect all air lines for

deck provided for them on the operator's (left)

damage and insure all connections are made and tight.

(7) Landing gear. Inspect mounting for

2-1