Model EELR537A
Installation, Operation and Maintenance
Page 6
Rev. 09/16/2021
EELR537A-IOM.
doc
Fig. 5 – Synchronizing Cables
P
OWER UNIT & HYDRAULIC LINES
19) Mount Power Unit to power column as shown
in Fig. 6 using (4) M8 hex bolts and nuts.
20) Attach Hydraulic elbow fitting threading the
O-Ring end into the power unit.
21) IMPORTANT – To ensure proper hose
fitting seal without damage to the fitting
follow this procedure for each hose
connection: Screw flared fitting on finger
tight. Rotate flared fitting 1 ½ flats or 90
degrees. Back the flared fitting off one full
turn and repeat.
22) Thread power unit hose (short) to o-ring
elbow on power unit.
23) Beginning on the idler side, attach the idler
extension hose to the cylinder elbow fitting
(this hose is not needed for reduced height
installations). Continue with the idler hose
(long) up the backside of the column and
through the plastic guide at the top of the
column extension. Continue across the
overhead through each of the guides as
shown in Fig. 7 and down the backside of the
power column.
24) Route the power hose from the power side
cylinder elbow fitting up to the union tee
provided. Connect idler hose and power unit
hose to the union tee as shown in Fig. 6.
Fig. 6 – Hose Routing
25) BE CERTAIN ALL FITTINGS AND CONNECTIONS ARE
TIGHT. IT IS THE INSTALLERS RESPONSIBILITY TO ENSURE
SYSTEM IS LEAK
-FREE. Fill the Power Unit with three
gallons of clean 10wt anti-foam anti-rust hydraulic oil
or Dexron III ATF. D
O NOT USE OILS WITH
DETERGENTS.
C
OLUMN EXTENSIONS
26) Hoses, cables, and limit switch cord should
be routed as shown in Fig. 7 for power side
column extension. Route lines for the idler
side using the hose guide bracket and idler
side pulley bracket.
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