Corrective
Probable
action
cause
Malfunction
e. Refer to direct and general support
e. Incorrect timing.
maintenance personnel.
f. Refer to direct and general support
f. Worn parts in pump drive.
maintenance personnel.
g. Refer to direct and general support
g. Damaged or worn fuel injector nozzle.
maintenance personnel.
h. Refer to direct and general support
h. Worn recoil dampener.
maintenance personnel.
i Drop ram several times with fuel off.
j. Drain fuel tank and All with clean fuel.
j. Contaminated fuel.
k. Refer to direct and general support
k. Damaged ring grooves on bottom of ram.
maintenance personnel.
l. Worn or damaged cylinder bore.
l. Refer to direct and general support
maintenance personnel.
a. Anvil in down position.
a. Place entire weight of hammer on pile.
2. Starting device will not
latch in with ram.
b. Piling incorrectly placed under anvil.
b. Place pile properly.
c. Allow ram to bottom before latching.
c. Ram not bottoming cylinder.
d. Worn or damaged parts.
e. Refer to direct and general support
e. Worn or damaged recoil dampener.
maintenance personnel.
a. Refer to direct and general support
a. Defective relief valve.
3. Transmitter will not actu-
maintenance personnel.
ate fuel pump rack.
b. Refer to direct and general support
b. Defective rack.
maintenance personnel.
c. Defective hydraulic receiver.
d. Tighten loose fittings. Replace damaged
d. Hydraulic lines loose or damaged.
lines (para 3-23).
e. Air in hydraulic system.
g. Transmitter defective.
a. Refer to direct and general support
a. Worn or damaged rings in ram.
4. Loss of compression.
maintenance personnel.
b. Refer to direct and general support
b. Worn rings in anvil.
maintenance personnel.
Section VI. LUBRICATION SYSTEM
3-13. General
hoses. One hose goes to the upper cylinder to
lubricate the ram cylinder bore; the other hose
a. The lubrication system consists of the tank,
goes to the fuel pump drive housing and lubri-
lines, lubricating oil filter, and lubricating oil
cates the fuel pump drive mechanism.
pump. Lubrication oil is suplied to the pump by
gravity flow from the tank, passing through a
3-14. Oil lines
screen filter inside the tank.
b. The pump is operated by the same bell crank
assembly that operates the fuel pump. As the ram
rises, the bell crank moves rapidly upward and
b. Cleaning and Inspection.
moves the lube oil pump plunger in the same di-
rection, forcing a small amount of oil past a
(1) Clean all parts in an approved cleaning
spring-loaded ball check and on through two
solvent and dry thoroughly.
3-5
