4-36 CYLINDER BLOCK MAINTENANCE
e. Pressure Check
With all cylinder block plugs in place,
install ten blocking plates (67) and ten
gaskets (68), found in cylinder head
pressure testing kit, over water outlet
holes. Secure plates to top of cylinder
block with twenty 5/8-11 x 2 inch bolts
Install fabricated water outlet plate
(70) and rubber gasket (71). Secure
with two bolts (72), two nuts (73), and
four Iockwashers (74).
Attach an air line connection at plate
(70). Immerse block in a tank of water
heated to 180 to 200 oF (82-93 oC) for
Never work on air system components without first gradually relieving air
pressure. Sudden release of air pressure can throw debris resulting in
serious personal injury.
(4) Apply 40 psi (276 kPa) air pressure to water jacket and observe water in tank for bubbles
which indicate a crack or leak in block. Replace block if cracked.
Compressed air used for cleaning purposes will not exceed 30 psi. Use
only with effective chip guarding and personal protective equipment
(goggles/shield, gloves, etc).
(5) After competing pressure test, remove block from water tank. Remove ten blocking plates
(67), ten rubber gaskets (68), twenty bolts (69), oil cooler plate (70), gasket (71), two bolts
(72), two nuts (73), and four Iockwashers (74). Dry block with compressed air.
END OF TASK
3 - 6 Install oil cooler
4-18 Install blower
4-30 Install front and rear end plates
4-33 Install cylinder kits
4-35 Install crankshaft