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D-Service
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T R A I L E R
S E R V I C E C E N T E R
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Trailer Service Center
Just like any other
vehicle, your Leonard trailer requires routine maintenance to ensure
that it is safe, performs properly, and lasts a long time.
Call 866-453-4409
to schedule
an appointment for your annual maintaince check-up.
Regular service check-ups help aviod voiding component warranties.
Schedule Appointment
by Email
**
Note **
If you recieved a post card offer for a free
10 Point Service Check, please mention it when you call to
schedule your appointment.
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Annual
Maintenace 10 Point Service Check-Up just $49
1. Grease Axles if
needed [easy grease axles only]
2. Check Tire
Pressure
3. Check Tire Tread
4. Tighten Lug Nuts
5.
Inspect Brake System*
6. Test Lights:
brake lights, rear running,
and turn signals
7. Check Floor Boards
8.
Check Door, Ramp, and Gate Latch Operation
9.
Check Joints for Weld Stress (overloading
can cause stress to weld joints, causing them to
crack).
10. Check Jacks
for Proper Operation
* if work is needed, a quote will be
provided. |
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[1]
GREASE AXLES
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Instructions
for greasing the axle:
1. Remove the rubber plug from the end of the grease cap.
2. Place a standard grease gun onto the grease fitting
located in the
end of the spindle. Make sure the grease gun nozzle is fully
engaged on the fitting.
3. Pump grease into the fitting. The old displaced
grease
will
begin to flow back out the cap around the grease gun nozzle.
4. When the new clean grease is observed, remove the grease
gun, wipe
off any excess, and replace the rubber plug in the cap.
5. Rotate hub or drum while adding grease.
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[2
& 3] - CHECK TIRES
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[4]
TIGHTEN LUG NUTS
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Use the dry wheel lug torque values
specified in the vehicle's
owner's manual, shop manual or obtained from the vehicle dealer/service
provider. The chart below lists typical torque values that should only
be used temporarily until the vehicle's exact torque values can be
confirmed.
Since
the thickness of an alloy wheel can differ from
Original Equipment wheels, also verify that the lug nuts or bolts will
engage the threads. Refer to the chart below to determine the number of
turns or the depth of engagement typical for your stud or bolt size.
Hardware Bolt or
Stud Size |
Typical Torque Range
in Ft/Lbs |
Minimum
Number of Turns
of Hardware Engagement |
| 12 x 1.5 mm |
70 - 80 |
6.5 |
| 12 x 1.25
mm |
70 - 80 |
8 |
| 14 x 1.5 mm |
85 - 90 |
7.5 |
| 14 x 1.25
mm |
85 - 90 |
9 |
| 7/16 in. |
70 - 80 |
9 |
| 1/2 in. |
75 - 85 |
8 |
| 9/16 in. |
135 - 145 |
8 |
Torque
Stages
| 1st Stage |
2nd Stage |
3rd
Stage |
| 20 to 25 ft/lbs |
55 to 60 ft/lbs |
85
to 90 ft/lbs |
When
installing new wheels you should re-torque the wheel lugs after
driving the first 50 to 100 miles in case the clamping loads have
changed following the initial installation. This is necessary due to
the possibility of metal compression/elongation or thermal stresses
affecting the wheels as they are breaking in, as well as to verify the
accuracy of the original installation. When rechecking torque value,
wait for the wheels to cool to ambient temperature (never torque a hot
wheel). Loosen and retighten to value, in sequence. Simply repeat the
same torque procedure listed above.
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[5]
INSPECT BRAKE SYSTEM
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Brakes
are required on some trailers (all tandem axles and some single axle
based mainly on weight class).
Brakes do fail and under perform from time-to-time and must be checked
and maintained.
The most
common reason for poor brake performance is improper brake adjustment.
Adjusting the breaks is a procedure that you can do yourself,
although most people leave it to service centers.
The second most common problem is faulty, improperly installed or
improperly used wiring or electrical components. |
The first step in
isolating
brake problems is to identify the amount of power going to the brakes.
We have trouble shooting procedures based on the nature of the
issue:
> No Brakes
> Ineffective or Weak
> Intermittent Surging
> Noisy
> Dragging
> Locking or Grabbing
Example of "No Brakes" cause / procedure
diagram is to the right. |
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Call
your dealer or 866-453-4409
to schedule an appointment for your annual
maintaince check-up.
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