TM 9-2330-388-14
Section III. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS
(2) Lift upper coupler plate (4) into position
5-7.
Upper Coupler (Kingpin) Plate Replacement,
under semitrailer.
Loosely install twelve bolts (3),
washers (2), and new locknuts (1)
WARNING
(3) Ensure that upper coupler plate (4) is flush
Upper coupling Is heavy and awkward to
against semitrailer. Tighten twelve locknuts (1) to 130 -
handle.
140 lb - ft.
a.
Removal.
(4) Lubricate upper coupler plate (4), para 3-1.
(1) Provide a balanced jack support for upper
c.
Rustproofing and Painting Above Plate.
coupler plate (4).
(1) Remove rust and damaged paint by
(2) Remove twelve locknuts (1), bolts (3), and
scraping, wire brushing, sanding, or buffing. Sand to a
washers (2). Discard locknuts.
smooth finish and spot paint as necessary (TM 43-0139).
If M1098 Water tanker is painted with Chemical Agent
(3) Remove upper coupler plate (4) from under
Resistant Coating (CARC) then specific requirements for
semitrailer
respiratory protection, ventilation and surface preparation
must be met. Contact your sup- porting safety or
b.
Installation.
industrial hygiene office for guidance prior to working
with CARC paint.
(1) Place upper coupler plate (4) on a suitable
support jack.
(2) Rustproof as per part No. 8750251.
Figure 5-3. Upper Coupler (Kingpin) Plate
5-11
