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 TM 9-2330-326-14&P
C-5. LUBRICANTS (Cont.)
7.
When brake shoes are replaced, apply an even coat of lubricant between contact face of
anchor pin bushing, brake shoe area, and spider faces. Coat anchor pin completely.
Wipe off all excess grease.
SUSPENSION:
Hutchens suspension does not require lubrication, but new replacement suspension hardware
(nuts/threads) should be oiled before assembly and a wet torque applied. In-service torque values
should have dry torque values applied.
GENERAL:
SEMITRAILER LUBRICATION REQUIREMENTS:
1.
The lubrication requirements for the M871A3 Semitrailer consist of only two types of lubricant,
GAA and OE/HDO, for oil can points. Only variants of the lubricating oil are authorized due to
temperature variations.
2.
All zerk fittings and lubrication points should be wiped clean prior to being lubed.
3.
Re-lubricate the semitrailer zerk fittings if high-pressure washing is used. High-pressure or steam
wash is not authorized for the M871A3.
4.
If a padlock is used, make sure it is lubed and operational.
5.
Reference TM 43-0139 for semitrailer painting and TB 43-0209 for stencil identification marking.
6.
Current GAA stocks are 100% synthetic and allow for: Extended service intervals as long as
seals and gaskets are not leaking grease. GAA quantity NSNs, as listed in the expendable and
durable items list, will not change, as the GAA becomes 100% synthetic.
FORDING OPERATIONS:
1.
Use common sense. If the mission/situation does not allow for after fording inspection, inspect
the semitrailer when the mission allows.
2.
Snubb the brakes three or four times to dry them out after fording.
If hubs were hot prior to fording there is a good chance water may have been sucked in through
3.
the hub cap. If cold or warm to touch they should be all right.
4.
If hubs and seals showed any signs of leakage prior to fording they may be contaminated by
water after fording semitrailer.
5.
When mission allows, carefully remove hub caps to inspect for water contamination. If gasket is
damaged it must be replaced.
6.
Use low pressure fresh water to flush out all salt contamination, including road salt, from
semitrailer to prevent corrosion.
C-10
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