4-118. STEERING CONTROL UNIT REPLACEMENT (CONT).
(6) Tag, mark and remove two screws (19) and
steering shaft (20) from control unit (4).
Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles 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 of flame. Never smoke when using solvent; the flash point for type I
drycleaning solvent is 100°F (38°C) and for type II is 140°F (60°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.
(1) Wash metal parts in drycleaning solvent.
Compressed air used for cleaning purposes must not exceed 30 psi (207 kPa). Use only with effective
chip guarding and personal protective equipment (goggles/shield, gloves, etc).
(2) Dry with compressed air.
(3) Check parts for damage.
(4) Replace damaged parts.