Quantcast Table 2-4. Semi-trailer Troubleshooting

 

Click here to make tpub.com your Home Page

Page Title: Table 2-4. Semi-trailer Troubleshooting
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Table 2-2. Transformer Troubleshooting
Up
TM-5-6120-250-34 Substation Trailer Mounted 500 KVA AC 4160-416Y/240V 208Y/120V 3 Phase 50/60 Hertz Avionics Model 950-2200A Manual
Next
Load Break Switch Removal
Table 2-4. Semi-trailer Troubleshooting
Malfunction
Probable Cause
Corrective Action
1.
Brakes will not hold.
a.
Worn out brake lining.
a.
Replace. (para 7-31.
b.
Leaky relay emergency valve.
b.
Replace, repair.
2.
Brake action slow.
a.
Defective brake air chamber.
a.
Replace (para 7-7).
b.
Slack adjuster travel too long.
b.
Adjust check to see if within spec.
3.
Brakes grab.
Loose brake lining.
Inspect if still useable realign and
adjust. (para 7-31.
4.
Trailer pulls hard.
a. Undercarriage assy. loose.
a. Check mounting bolts of assy. to
frame. Tighten, if loose to the
torque spec.
b. Brakes dragging.
b. See brakes drag malfunction.
c. Wheels not aligned to trailer.
c. Check wheel alignment. (para 7-8).
d. Bent or broken spring (for leaves).
d. Replace. (para 7-9).
U bolt.
Section III. GENERAL MAINTENANCE INSTRUCTIONS
the point in repair instructions where the inspection must
2-8.
General
be performed.
a.
This  section  provides  general  cleaning,
b.
Visual Inspection.
inspection and repair instructions that are common to
(1)  Visually inspect all external surfaces of
components used on the mobile substation.
all enclosures, trailer bed and frame, trailer running gear
b.
Special  cleaning,  inspection  and  repair
and accessories for badly dented, bent or weathered
instructions applicable to any individual component is
spots.
covered with that component in the applicable sections of
(2)  Visually and by hand inspect all working
this manual.
parts such as doors, panels, lids (or tops for wear,
damage or looseness.
2-9. General Cleaning Instructions
c.
Electrical Parts.
a.
Prior to Removal or Disassembly of Major
(1)  Visually inspect all internal wiring for
Components.
frayed or damaged insulation and poor connections to
(1)  Clean the exterior of the trailer, metal
terminal lugs and terminals.
enclosures and external mounted accessories of road
(2)  Visually inspect all buses for cracks and
grime, dirt, oil and grease, and other foreign matter.
discoloration.
(2)  Clean the interior of high and low
voltage section and their compartments thoroughly using
2-11. General Repair Instructions
a vacuum cleaner and clean rags.
a.
Thread Repair. Use proper size tapping tool
CAUTION
to repair tapped holes. Discard and replace all hardware
Do not use compressed air to blow out the
that has defective threads.
compartments.
b.
Bearing Replacement. Do not press on outer
b.
Prior to Removal or Disassembly of Electrical
race of bearing when installing on shafts. Do not press on
Components. Clean off excess oil and dirt. Wipe clean
inner race of bearings when installing in a housing.
with lint free cloth dampened with cleaning solvent (Fed.
c.
Electrical Parts. Replace wire with frayed or
Spec P-D-680).
damaged insulation. Replace cracked or broken terminal
c.
Gaskets and Seals.
boards, lugs, terminals and clamp connectors.  Record
(1)  Clean all old gasket particles and
bus deficiency for replacement.
weather seals from mating surfaces.
d.
Trailer.
Straighten,  clean  and  repaint
(2)  Discard and replace all non-reusable
accessories and weathered spots of trailer bed and frame.
type and damaged weather seals and gaskets.
Record running gear deficiency to be repaired. Schedule
them for replacement or repair.
2-10. General Inspection Instructions
a.
General. Perform an inspection of all parts
as soon as possible after cleaning.  Instructions for
specific inspection procedures are included in the text at
Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS
2-12. General
This section contains instructions for removal and
to facilitate repair and overhaul instructions which are
installation of major components of the mobile substation
covered  in  subsequent  sections  of  this  manual.
2-3

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business