18
MAINTENANCE
Maintenance
General
This section contains instructions for the care and
maintenance of the Etnyre RTN trailer. This section is
divided into two subsections: a Maintenance Sched-
ule and Maintenance Procedures. The maintenance
schedule lists the recommended distance/time intervals
between maintenance checks. The procedures subsec-
tion provides detailed instructions for performing the
maintenance checks. The instructions listed in the pro-
cedures subsection are given by systems and are not
necessarily in the order listed in Table 2.
Maintenance Schedule
Table 2 lists the recommended maintenance checks.
It is outlined in two schedules: the mileage schedule
and the periodic schedule. Perform maintenance on the
basis of whichever occurs first.
The first column of Maintenance Table 2 should be
used to locate the applicable maintenance procedure
and illustration. Figure 12 shows the maintenance
points.
ITEM NO.
ITEM
Day
Wk
Mo
25,000 mi.
50,000 mi.
QUAN
TYPE or REMARKS
or 6 mo
or 1 year
1
5th Wheel Plate
X
Multipurpose Grease No .1
Kingpin
(No. 0 Below 32ºF)
X
Inspect
2
Frame & Decking
X
Check
3
Undercarriage
X
Check
4
Wheel Bearings
X
C
3 Pints
Multipurpose Gear Oil
(Oil Lubricated)
per axle
Grade 90
(1.42 liter)
5
Rims & Brake
X
Inspect
Drums
6
Wheels
X
X
Visual Check. Tighten Lug
Nuts or Rim Clamps
7
Tires
X
Check Inflation & Remove
Debris Between Duals
8
Air Lines
X
Test. See Page ?
X
Inspect
9
Air Reservoir
X
2
Drain Condensation
10
Relay Emergency
X
1
Clean
Valve
11
Brake Chambers
X
Check Condensation Holes
See Page ?
X
2
Clean. Inspect & Replace
per axle
Diaphragm
12
Slack Adjuster and
X
Inspect
Yoke Pin
Table 2. Maintenance Schedule
SCHEDULE
