30
Manual No. 4111-0027
Sept. 2009
May 2012
30
MAINTENANCE
Periodic Maintenance
TOLERANCES
(UNLESS OTHERWISE NOTED)
FRACTIONAL:
`
1/32"
DECIMAL:
.00 =
`
.01"
.000 =
`
.005"
ANGULAR:
`
1
~
DRAWN BY
CHECKED BY
DRAWING NO.
DATE
P O W E R A M P
D L M
S Y S T E M S, I N C.
L o a d i n g D o c k E q u i p m e n t
This print is the property of Systems, Inc. and represents a proprietary article in which Systems, Inc. retains any and all
patent and other rights, including exclusive rights of use and/or manufacture and/or sale. Possession of this print does
not convey any permission to reproduce, print or manufacture the article or articles shown therein, such permission to be
granted only by written authorization signed by an officer or other authorized agent of Systems,Inc. thereof.
SR
8/6/2009
HED6620-15 Maintenance
NL-X MAINTENANCE PROP
To ensure normal operation of the dock leveler, use
only aircraft hydraulic fluid designed to meet or exceed
military specification MIL-L-5606. It is recommended
that the following hydraulic fluids be used:
• ULTRA-VIS-HVI-15
• Flomite 530 ZF
• Aero Shell Fluid 4 or Fluid 41
• Mobile Aero HFA Mil-HS606A or Aero HF
• Texaco Aircraft Hydraulic Oil 15 or 5606
• Exxon Univis J13
These fluid brands can be mixed together. Mixing with
fluids that do not meet or exceed MIL-L-5606 may
damage the equipment and WILL void warranty. Use
of hydraulic fluids with equivalent specifications to
those listed here are acceptable.
A— Lip Hinge Area
B— Platform Hinge Area
C— Platform Cylinder Trunnion
D— Lip Cylinder
Trunnion
IMPORTANT
Use of fluids that do not have equivalent specifications
to those in the following list will result in abnormal
operation of the dock leveler and voiding of warranty.
Before performing any maintenance under the
dock leveler, lock the electrical power source in
OFF position and lock the maintenance prop in the
service position using an approved locking device.
(See Service Dock Leveler Safely in this section.)
Failure to follow these instructions may result in
serious personal injury or death.
A
B
C
D
Summary of Contents for HED Series
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