Great Dane Champion CP Посібник з технічного обслуговування - Сторінка 13

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side and roof panels — vans

Side and roof panels are critical structural members

of the trailer. Small holes can be patched using an

over- lay panel with blind rivets. Large holes may

require panel replacements. When repairing large

holes or when replacing full panels, use solid rivets of

2117-T4 aluminum for aluminum panels, or solid rivets

of type 302HQ for stainless steel panels.

FIBERGLASS-REINFORCED PLYWOOD (FRP)

FRP panels are of a composite construction where

plywood is overlaid with fiberglass cloth, resins and

gelcoats. It's very important that any cuts or scrapes

through the outer glass coatings be repaired immedi-

ately to protect against water intrusion into the plywood

core. If the plywood core is exposed to moisture for any

period of time delamination and/or rot may occur.

FRP panel connections to rails, front, and rear frame

connections are sealed with a high-grade sealer at the

time of manufacture. As with any coating or sealer, this

sealer may deteriorate due to age and weathering and

rear frame, doors and hardware

REAR FRAME

The rear frame should be inspected at regular intervals

for damage to the frame, doors and hardware from

impacts with loading docks, abutments or other devices

in the loading area. An area of particular concern is

damage to the rear posts at hinge butts. This can cause

binding, door distortion, and eventual failure to the door,

door hinges, or both.

DOORS

Check rear doors for damage or warpage to panels,

frame or hinges. Compression seals should be checked

to see if the seals need to be repaired or replaced to

ensure a tight closure. The seals around vent doors,

should be checked and maintenance performed as

needed. Interior linings or insulated doors should be

checked for damage or loose or missing fasteners and

repaired as required.

Safety equipment in the rear frame area (such as door

hold backs, grab handles, steps, ramps and slip-resist-

ant materials) should be inspected at TPM. If necessary,

they should be repaired or replaced.

HARDWARE

1. Check anti-rack rear door locks for damaged,

distorted, or cracked tubes resulting from impacts.

2. Check operation and engagement of cams

into keepers.

3. Inspect bearing plates for loose or

missing fasteners.

4. Check tamperproof fasteners in gravity

keepers and the top and bottom hinge.

should be inspected and resealed as necessary after 24

months in service.

A Great Dane FRP repair manual is available upon

request.

BONDED ROOF

Your equipment should be directed to your qualified

Great Dane branch or dealer repair shop for proper

repairs. If this is not possible, you should contact Great

Dane for proper repair instructions and information on

necessary bonding materials.

warning

No attempt should be made to repair a bond-in-

place roof bow/roof sheet assembly without

a complete understanding of the design,

materials and the equipment needed to achieve

the proper repair.

5. Check the operation and engagement of the

third-point lock (on some models).

6. On insulated trailers, inspect the interior sealing

surfaces (PVC wedging) to be sure that the thermal

efficiency is maintained. Repair or replace any

components as needed.

OVERHEAD DOORS

If the door becomes difficult or impossible to operate,

have it repaired or adjusted by a qualified mechanic.

1. The door spring is constantly under extreme ten-

sion. Repairs and adjustments, especially to the

door counterbalance assembly, are potentially dan-

gerous and must be performed by qualified service

personnel only.

2. Clear any obstruction from the door tracks and the

base of the mounting angle where the door comes

down to the floor.

3. Perform regular inspection and maintenance on the

following items:

a. Be certain that all nuts and bolts are tight and

secure.

b. Check cables full length and at attachment

points and replace all frayed or otherwise

damaged cable.

c. Check cable drums for tightness against

bearings.

d. Check all rollers for smoothness of operations

and have all sliding or otherwise damaged

rollers replaced.

e. Replace frayed, damaged or severely worn pull

straps.

Check the door lock to be sure that it is free,

and fully operational.

entry and exit

Regardless of who may have manufactured or installed

the access equipment, it has been installed for the

safe entry and exit of persons and/or products. It is

necessary that these items be included in your regular

Trailer Preventive Maintenance (TPM) Program.

These items must be checked for proper safety

operations. Welds and fastener connections must

floor system

The floor system should be inspected regularly so that

the fail-safe rating that was manufactured into the floor

system can be maintained.

warning

Trailer floors can become slippery. Be careful

when walking in or on the trailer. When floors

become slippery, they should be properly

cleaned and degreased, rather than using salt

or other chemicals to increase traction.

TOP FLOOR

Check the top floor for loose or missing screws,

separated lamination or failing floor boards, deformed

crossmembers, rear impact area damage from forklift

traffic, weld separation, or fatigue cracks in aluminum

floors.

Undercoating on wood floors should be checked

periodically and re-undercoated if necessary.

(Every 24 months.)

insulated trailer maintenance

Proper education and knowledge by the operators and

maintenance personnel using refrigerated trailers can be

beneficial in many ways: cleanliness, sanitation, mainte-

nance of reefer exteriors and interiors, lining finishes,

insulation efficiency, operation of doors, and mechanical

refrigeration units. Safety and profitable operation are

closely related, and they are dependent on the normal

operation care and thoroughness of the maintenance.

CLEANING

Steam Method: Live steam does a good job of cleaning

and deodorizing. However, steam is harmful to wood

liners, sealers, and exposed vapor barriers, and it is not

recommended. If steam must be used, a waterproof

sealer should be applied to both sides and all edges to

protect the trailer.

g. Replace broken or damaged hinges.

h. Periodically use a light lubricant (not grease)

on rollers, counterbalance hinges, and lock, as

necessary, to maintain a smooth door operation.

be checked and corrected as necessary. Latches,

hold downs, etc. must be checked and must function

correctly. These items must be kept clean and free

of materials that may cause them to become slippery.

These items must be cleaned and degreased as

necessary for a safe operation.

CROSSMEMBERS

Deformed, twisted, or damaged crossmembers should

be removed and replaced with original equipment.

End-clip crossmember connections to bottom side rails

should be checked for loose, damaged or missing rivets

and the general condition of connections.

CAUTION:

Loose connections will cause prema-

ture failure of the floor system. Loose connections

must be corrected as soon as they are found.

Great Dane should be contacted for fastener replacement

information. If this information is not available, Grade 5

(minimum) bolts and Grade B (minimum) locking type

nuts may be used but must be torqued properly.

Detergents: If detergents are used, they must be mild,

and they must be properly rinsed after application.

All joints should be resealed as required to maintain

a watertight seal.

CAUTION:

Insulated and refrigerated trailers are

designed to transport food and food products.

The vehicle must be clean before loading.

DO NOT transport products or use cleaning

agents in these trailers that could cause

contamination of any food product.