RM – 26-10-7707 Rev.
E
Page
18
of
39
(2) Verify fitment by evaluating dowel hole positions.
(3) If the incorrect head is used, the mounting and dowel holes
will not line up
.
iii) Select Shaft Dependent Shaft Seal Protector Tools:
(1) Flat End Shafts use the SK-
4391 Shaft Seal Protector.
(2) Round End Shafts use the SK-
3229 Shaft Seal Protector.
iv) Insert the appropriate Shaft Seal
Protector Tool into the head as
shown.
(1)
IMPORTANT:
Ensure that the shoulder seal parts are not
dislodged from pocket in head.
(2) NOTE: It is recommended to insert the Shaft Protector
Tool into the head vs onto the shaft to reduce the potential of dislodging the shoulder
seal parts during head assembly onto the body.
v) Dummy Key Tool install for Round Shaft Ends:
(1) Brush a LIGHT layer of assembly
grease (petroleum jelly) into key
slot in shaft. The grease will hold
the dummy key into place during
assembly.
(2) Press Dummy Key Tool SK-4399
into slot in shaft ensuring it is fully
flush with shaft. Extra pressure
will be necessary to squeeze out
grease and fully seat the key.
(3) Verify key is flush with surface of
shaft, if raised. press firmly to
squeeze out excess grease.
(4)
IMPORTANT
: Dummy Key must
NOT
be raised above surface of
shaft. Failure to adhere to this will
result in damage to the shaft seals and an external hydraulic fluid leak.
vi) Carefully pick up the head with two hands opposite one another, align the Shaft Seal
Protector Tool with shaft, and
SLOWLY
lower the head down over the shaft.
(1) Resistance may be encountered at various points while lowering the head, this is
normal as the seals pass over edges on the shaft.
LIGHTLY
increase force to
overcome resistance.
