4-59. DRAWBAR LIFTING HANDLE/TOW RING/ADJUSTING PIN REPLACEMENT
CARC paint contains isocyanate (HDI) which is highly irritating to skin and respiratory system.
High concentrations of HDI can produce symptoms of itching and reddening of skin, a burning
sensation in throat and nose and watering of the eyes. In extreme concentrations, HDI can cause
cough, shortness of breath, pain during respiration, increased sputum production and chest
tightness. The following precautions must be taken whenever using CARC paint:
NEVER weld or cut CARC-coated materials.
DO NOT grind or sand painted equipment without high efficiency air purifying respirators in use.
Perform Steps (10) and (11) if replacing locking in place. If roll pin is welded, it will have to be
ground off. If roll pin is staked, it may be driven out.
Roll pin may be welded or staked in place. If roll pin is welded, it will have to be ground off. If
roll pin is staked, it may be driven out.
Using a wire brush, remove CARC paint
from area four in. (102 mm) around cutting
Using a grinder, cut weldments and remove
roll pin (20) and locking gate (16) from
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke when
using solvent; the flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees C)
and Type III Drycleaning Solvent is 200 degrees F (93 degrees C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts
eyes, immediately flush eyes with water and get immediate medical attention.
Clean all metal parts with drycleaning solvent.
Wire brush all corrosion from metal parts.
Inspect tube assembly for cracked welds.
Coat with rust inhibitor before installation.
Inspect drawbar tow ring (1) for bends and stripped threads.
Inspect tow ring bracket (2) for bent or gouged lower lip.
Replace damaged parts.