SECTION IV
MAINTENANCE / SERVICE
(8) Install square column grommet (5) by pressing
into place against base weldment (6).
(9) Pull hoses (1) up thru hose opening.
(10) Coat o-rings of four fitting seals (3) with oil.
(11) Connect two hoses (1) to column cylinder (4)
with four fitting seals (3) and fitting connec-
tors (2).
(12) Connect hose (7, Figure 4-33) to rod of column
cylinder (9) with two fitting seals (8) and fitting
connector (6).
CAUTION
Use care when performing the
following step to make sure rod extends
thru hole in column assembly and does not contact
inside of column assembly.
(13) Use hand control to run TABLE UP function to
extend rod of column cylinder (9) until all
threads can be seen above top of column
assembly.
(14) Remove fitting connector (6), hose (7), and two
fitting seals (8) from rod of column cylinder (9).
(15) Install retaining bolt. While holding retaining bolt
(M07407) stationary, use small spanner wrench
(M07236) to install brass pivot puck (14) on rod
of column cylinder (9). Refer to Table 1-2 for
special tool. Tighten brass pivot puck until all
threads are used up.
(16) Remove retaining bolt from rod of column
cylinder (9).
(17) Connect hose (7) to rod of column cylinder (9)
with two fittings seals (8) and fitting connector
(6) and then retract rod of column cylinder using
TABLE DOWN function on hand control, until
brass pivot puck is firmly seated in column
assembly (12).
(18) Remove fitting connector (6), hose (7), and two
fitting seals (8) from rod of column cylinder (9)
and re-install retaining bolt.
(19) While holding retaining bolt stationary, use large
spanner wrench (M07235) to install locking nut
(13) in column assembly (12). Refer to Table
1-2 for special tool.
(3) Install bearing (7) in base of column cylinder (5)
and secure with retaining ring (6).
(4) Install column cylinder (5) in column weldment
(4) and secure with cylinder connecting pin (3).
(5) Using access hole, secure cylinder connecting
pin (3) in place with retaining plate (2) and
screw (1).
(6) Install one caster (10, Figure 4-34) on each
caster fork (11) and secure by tightening two
locknuts (9).
(7) Push bottom column cover (8) down against
base weldment (6) and secure in this position
with four screws (7).
Page 4-33Printed in U.S.A.
3
5
7
6
4
1
2
ROD
FLATS
RETAINING
BOLT
(MO7407)
CA7668
Figure 4-35. Column Cylinder
Removal / Installation
© Schaerer Mayfield USA, Inc. 2004
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