FUEL TANKS AND FUEL LINES
4-5. FUEL LINES AND FITTINGS REMOVAL AND REPLACEMENT.
Procedures given are typical and cover all the
different types of installations that you will find
on the trucks. Procedures do not show any one
truck system. Refer to system schematic illus-
trations used as support diagrams for trouble-
shooting each system given in vol. 3, chapter 10.
3/4-inch combination box and open end box wrench
7/16-inch combination box and open end box wrench (2)
11/16-inch combination box and open end box wrench
5/8-inch combination box and open end box wrench
10-inch pipe wrench
3/16-inch sockethead screw key (Allen wrench or equivalent)
SUPPLIES : Sealer compound, type II, MIL-S-45180
Truck parked, engine off, handbrake set.
EQUIPMENT CONDITION :
Smoking, flames, sparks and glowing or hot
objects are not allowed within 50 feet of work
area during maintenance of fuel system com
ponents. Fuel can explode, causing injury to
personnel and damage to equipment.