TM 9-2330-356-14
REPAIR OF FRAME AND BODY PARTS
Section I. GENERAL
Reference
scope
6-2.
a.
Safety. Ensure that all safety precautions listed in
This chapter contains instructions for repair and
the Warning Summary are followed while performing
replacement of frame and body parts, including the bogie
maintenance. Pay close attention to all WARNINGS and
assembly, which are beyond the scope of the using
CAUTIONS.
organization. These repairs, with the exception of repairs
to tank body or main frame, are allocated to direct support
b.
Procedures. Procedures for repairs involving
maintenance. Particular attention must be given to proper
welding, surface preparation, cleaning, and painting are
purging of the tank before repairs are made (Chapter 4,
included under General Maintenance Procedures
Section XX).
Section Il. BODY ASSEMBLY AND SUSPENSION
area. Avoid contact with akin, eyes, and
Spring Seat Bearings, Wiper and Seals
M967, M969 and M970 except M970 SN TC-0843,
clothes, end DO NOT breathe vapors. DO
TC-0844, and TC-103 thru T-178).
NOT use near open flame or excessive heat
The solvent's flash point is 100F-138F
Disassembly.
a.
(38C-59C). If you become dizzy while
using cleaning solvent immediately get fresh
(1) Remove suspension spring (para 5-12).
air and medical help. if solvent contacts eyes,
immediately wash your eyes with water and
(2) Remove six screws (1) and washers (2) from
get medical aid.
cap (3). Remove cap and gasket (4).
(3) Remove jam nut (5), key washer (6), and
(1) Clean spring seat, spindle of trunnion cross
bearing adjusting nut (8) from end of trunnion cross tube
tube, and bearings with dry cleaning solvent (item 11,
(30).
lubrication.
(4) Tap the spring seat with a soft hammer to
loosen outer bearing cone (9). Remove the bearing cone
(2) Inspect seat for cracks or damage. Inspect
and spring seat (12). Inner bearing cone (16) and seal
bearing cups and replace if worn, pitted, or scored.
assembly (17) will remain in seat. With offset screwdriver,
pry seal assembly out of spring seat. Remove inner bearing
(3) Apply thin coating (not over 1/16-inch thick) of
cone. Do not remove packing retainer (18), felt seals, seal
grease (item 17, Appendix E) to inside of seat and to
retaining washer, or wiper seal from trunnion cross tube
spindle of tube.
unless damaged.
(4) Inspect bearing cones for serviceability and
(5) If bearings are being replaced, use a bearing
lubricate as specified in Section I of Chapter 3.
puller or a hammer and punch to remove bearing cups (10
and 15) from spring seat. The bearing cone and cup must
(5) Inspect oil seal (17) for damage or lack of
always be replaced as an assembly.
pliability of sealing material.
b.
Cleaning and Inspection.
Assembly (Fig. 6-1).
c.
(1) Install packing retainer (18), oil seal (19), and
WARNING
wiper (20) onto trunnion cross tube (30) if removed during
disassembly.
Dry cleaning solvent P-D-680 is toxic and
(2) If bearing cups (10 and 15) were removed,
flammable. Always wear protective goggles
press new cups into spring seat.
and gloves, and use only in a well-ventilated
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