Norco 71335 Maintenance Manual
PROFESSIONAL LIFTING EQUIPMENT
MODEL 71335 3-1/2 TON CAPACITY FLOOR SERVICE JACK
SETUP • OPERATING • MAINTENANCE INSTRUCTIONS
Note: Revision letters (A, B, C, D etc.) after model numbers have been omitted as they do not affect the setup,
operating and maintenance instructions of a particular jack unless otherwise noted.
IMPORTANT: READ THESE INSTRUCTIONS BEFORE OPERATING
BEFORE USING THIS JACK, READ THIS MANUAL
COMPLETELY AND THOROUGHLY, UNDERSTAND ITS
OPERATING PROCEDURES, SAFETY WARNINGS AND
MAINTENANCE REQUIREMENTS. FAILURE TO DO SO COULD
CAUSE ACCIDENTS RESULTING IN SERIOUS OR FATAL
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
The use of portable automotive lifting devices is subject to certain
hazards that cannot be prevented by mechanical means, but
only by the exercise of intelligence, care, and common sense. It
is therefore essential to have owners and personnel involved in
the use and operation of equipment who are careful, competent,
trained, and qualied in the safe operation of the equipment and
its proper use. Examples of hazards are dropping, tipping, or
slipping of motor vehicles or their components caused primarily by
improperly securing loads, overloading, off-centered loads, use on
®
other than hard level surfaces, and using equipment for a purpose
for which it was not designed.
It is the responsibility of the owner to make sure all personnel read
this manual prior to using this device. It is also the responsibility of
the device owner to keep this manual intact and in a convenient
location for all to see and read. If the manual is lost or not legible,
contact Norco Industries, Inc. for a free replacement. If the operator
is not uent in English, the product and safety instructions shall be
read to and discussed with the operator in the operator’s native
language by the purchaser/ owner or his designee, making sure
that the operator comprehends its contents.
WARRANTY
This oor service jack is covered by a Limited Lifetime Warranty.
For details see the back cover of Norco’s product catalog.
WARNING
• Before lifting a vehicle, refer to the vehicle’s service manual or
inquire from the vehicle manufacturer the recommended jack
lifting points and jack stand support surfaces on the vehicle
chassis.
• Inspect the jack before each use. Do not use the jack if it is
damaged, altered, modied, in poor condition, leaking hydraulic
uid, or unstable due to loose hardware. Take corrective action
before using the jack.
• This jack was designed for lifting purposes only. Do not attempt to
work on the vehicle until jack stands rated equal to or greater than
the rated capacity of the jack are positioned to support the load.
SETUP
1. If your jack is equipped with a two-piece handle, t the handle
halves together and secure them by tightening the bolt and nut
provided.
2. Using an open end or socket wrench, remove the hexagonal
head screw located on top of the handle receiver so the handle
can be inserted all the way.
3. Insert the handle in the handle receiver making sure the
conguration at the end of the handle ts into the slotted position
of the mechanism inside the handle receiver. The outside groove
at the bottom of the handle should align with the screw hole in the
handle receiver.
4. Install the hexagonal head screw in the screw hole in the
bottom of the handle receiver and tighten. This will secure the
handle in the handle receiver allowing you to maneuver the jack.
The hexagonal head screw will not bottom out on the handle thus
allowing you to rotate the handle in either direction for activation
of the release valve to either raise or lower the jack.
• Do not move or dolly the vehicle while on the jack.
• Do not use the jack beyond its rated capacity. Lift only dead
weight.
• Center load on saddle. Be sure setup is stable. Off-center
loads can cause jack failure and/or loss of load.
• Use the jack on a hard level surface. The jack must be free to
roll and reposition itself while lifting or lowering the vehicle.
• Do not modify the jack or use saddle adapters or saddle
extenders unless approved or supplied by Norco.
• Always lower the jack slowly and carefully.
5. Sometimes air gets trapped in the hydraulic system during
shipment. An air bound hydraulic system feels spongy when
pumped and sometimes the jack will not pump full incremental
strokes.
PURGING AIR FROM THE HYDRAULIC SYSTEM
a. Open the release valve by turning the handle in a
counterclockwise direction two full turns.
b. Pump the handle ten full strokes.
c. Close the release valve by turning the handle in a clockwise
direction until tight.
d. Pump the jack until the lift arm is extended to maximum
height.
e. If the condition remains, repeat steps “a” through “d” until all
the air is purged from the system.
OPERATING INSTRUCTIONS
1. Become familiar with the operation of the handle. Turning the
handle in a clockwise direction until tightened will enable the jack lift
arm to be raised when pumping the handle up and down. Turning
the handle in a counterclockwise direction will enable the jack lift
arm to be lowered. IMPORTANT: It will never be necessary to
turn the handle more than two complete revolutions in the
counterclockwise direction. When lowering a load, be careful
to turn the handle in a counterclockwise direction very slowly
for controlled lowering of the load.
2. With the jack in the lowered position, push the jack under the
vehicle. IMPORTANT: Use the manufacturer’s recommended
lifting procedures and lifting points before lifting loads.
3. Close the release valve in preparation for lifting the load by
turning the handle in a clockwise direction until tight. Pump the
jack handle to raise the lifting saddle up to the recommended
lifting point. Check to see that the lifting point is centered on the
lifting saddle and the majority of the weight is not supported by the
peripheral edge of the lifting saddle at any single point.
PREVENTATIVE MAINTENANCE
1. Always store the jack in a well protected area where it will not
be exposed to inclement weather, corrosive vapors, abrasive dust,
or any other harmful elements. The jack must be cleaned of water,
snow, sand, or grit before using.
2. The jack must be lubricated periodically in order to prevent
premature wearing of parts. A general purpose grease must be
applied to caster wheels, front axle wheels, elevator arm, handle
base pivot bolts, release mechanism and all other bearing
surfaces. See the exploded view parts drawing for the location of
the above mentioned parts. Failure to maintain proper lubrication
voids warranty.
3. It should not be necessary to rell or top off the reservoir with
hydraulic uid unless there is an external leak. An external leak requires
immediate repair which must be performed in a dirt-free environment
by qualied hydraulic repair personnel who are familiar with this
equipment. Norco Authorized Service Centers are recommended.
4. IMPORTANT: Check to see that the ground surface around
the jack is free from wheel obstructions such as gravel, tools,
or uneven joints or edges. The jack will have a tendency to
reposition itself during the lifting process and therefore must
not be hindered by wheel obstructions.
5. Proceed with pumping the jack so the load is lifted to the
required work height.
6. After lifting the load, always use vehicle support stands with
an adequate capacity rating to support the load before making
any repairs or adjustments. Position and adjust the stands under
the load at points that will provide stable support. Lower the load
SLOWLY AND CAREFULLY onto the support stands by turning
the jack handle in a counterclockwise direction very slowly.
Although jack stands are individually rated, they are to be used in
a matched pair to support one end of a vehicle only. Stands are
not to be used to simultaneously support both ends or one side
of a vehicle.
IMPORTANT: In order to prevent seal damage and jack failure,
never use alcohol, hydraulic brake uid, or transmission oil
in the jack.
4. Every jack owner is responsible for keeping the jack label
clean and readable. Use a mild soap solution to wash external
surfaces of the jack but not any moving hydraulic components.
Contact Norco Industries for a replacement label if your jack’s label
is unreadable.
5. Inspect the jack before each use. Do not use the jack if any
component is cracked, broken, bent, shows sign of damage, or
leaks hydraulic uid. Do not use the jack if it has loose or missing
hardware or components, or is modied in any way. Take corrective
action before using the jack again.
6. Do not attempt to make any hydraulic repairs unless you are a
qualied hydraulic repair person that is familiar with this equipment.
REPAIR SERVICE
If your Norco product requires service or repair, contact the Norco
Customer Service Department for the location of the nearest Norco
Authorized Service Center.
Norco Industries, Inc.
365 West Victoria St.
Compton, CA 90220
(310) 639-4000 • Fax: (310) 639-7411
www.norcoindustries.com
It will be necessary to provide the Norco Authorized Service Center
with a copy of the bill of sale if requesting warranty repair. If the
authorized service center determines your product is eligible for
warranty repair, the repair will be made at no charge and returned
freight prepaid. The cost of non-warrantable service, repair, and
return freight is the customer’s responsibility.
71335
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