Figure 6-9. Upper cylinder, exploded view-Continued.
(8) Make repairs to recoil dampener.
(d) Lift ram with the hoist lone and in-
stall in cylinder.
(9) Install in reverse order.
(e) When ram is halfway down in top
c. Cleaning, Inspection and Repair.
half of cylinder check the fuel pump timing
(1) Clean all parts with an approved clean-
ing solvent and dry thoroughly.
(f) When ram is all the way to the anvil,
(2) Inspect all parts for cracks, breaks, and
other damage. Replace a damaged or defective
(g) Remove eyebolt from ram.
(3) Replace the recoil dampener when the
anvil travel has increased to 1 inches.
6-10. Recoil Dampener
d. Check Anvil Travel.
(1) Lift hamer free of any piling with the
is used to minimize shock caused by pile and soil
ram down, At this time the ram is resting on the
anvil which is at its lower limit of travel.
(2) Going through the exhaust port, make
a mark on the ram and a reference mark inside
(1) Remove the recoil dampener as illus-
(3) Place the hammer on a piling so as to
(2) Latch into ram with lifting mechanism.
raise the anvil in the up position.
(3) With lifting device engaged disconnect
lifting mechanism cable from hoist cable.
(4) Measure the distance the mark on the
(4) Attach hoist cable to cylinder head and
ram has moved up from the reference mark in-
take strain with hoist cable.
side the port.
(5) Remove nuts on top of anvil guide studs.
(5) This distance must not exceed 1,
(6) Raise cylinder and ram, being held in
place by lifting device, off of anvil.
e. Installation. Install the recoil dampener in
(7) Raise leads and swing away from anvil.
the reverse order of removal.