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Bulletin 2751-001-M1/USA

Service Manual
HGA Hydraguide™

Hydraulics

Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee

29

Offer of Sale

The items described in this document and other documents or descriptions provided by Parker Hannifin Corporation, its subsidiaries and its authorized
distributors are hereby offered for sale at prices to be established by Parker Hannifin Corporation, its subsidiaries and its authorized distributors. This
offer and its acceptance by any customer ("Buyer") shall be governed by all of the following Terms and Conditions. Buyer’s order for any such items,
when communicated to Parker Hannifin Corporation, its subsidiary or an authorized distributor ("Seller") verbally or in writing, shall constitute
acceptance of this offer.

ing any charges paid by Buyer. Unless otherwise agreed, Seller shall
have the right to alter, discard or otherwise dispose of any special tooling
or other property in its sole discretion at any time.
8. Buyer’s Property: Any designs, tools, patterns, materials, drawings,
confidential information or equipment furnished by Buyer or any other
items which become Buyer’s property, may be considered obsolete and
may be destroyed by Seller after two (2) consecutive years have elapsed
without Buyer placing an order for the items which are manufactured
using such property, Seller shall not be responsible for any loss or
damage to such property while it is in Seller’s possession or control.
9. Taxes: Unless otherwise indicated on the face hereof, all prices and
charges are exclusive of excise, sales, use, property, occupational or like
taxes which may be imposed by any taxing authority upon the manufac-
ture, sale or delivery of the items sold hereunder. If any such taxes must
be paid by Seller or if Seller is liable for the collection of such tax, the
amount thereof shall be in addition to the amounts for the items sold. Buyer
agrees to pay all such taxes or to reimburse Seller therefore upon receipt
of its invoice. If Buyer claims exemption from any sales, use or other tax
imposed by any taxing authority, Buyer shall save Seller harmless from
and against any such tax, together with any interest or penalties thereon
which may be assessed if the items are held to be taxable.
10. Indemnity For Infringement of Intellectual Property Rights:
Seller shall have no liability for infringement of any patents, trademarks,
copyrights, trade dress, trade secrets or similar rights except as provided
in this Part 10. Seller will defend and indemnify Buyer against allegations
of infringement of U.S. Patents, U.S. Trademarks, copyrights, trade
dress and trade secrets (hereinafter ‘Intellectual Property Rights’).
Seller will defend at its expense and will pay the cost of any settlement
or damages awarded in an action brought against Buyer based on an
allegation that an item sold pursuant to this contract infringes the
Intellectual Property Rights of a third party. Seller’s obligation to defend
and indemnify Buyer is contingent on Buyer notifying Seller within ten
(10) days after Buyer becomes aware of such allegations of infringe-
ment, and Seller having sole control over the defense of any allegations
or actions including all negotiations for settlement or compromise. If an
item sold hereunder is subject to a claim that it infringes the Intellectual
Property Rights of a third party, Seller may, at its sole expense and
option, procure for Buyer the right to continue using said item, replace
or modify said item so as to make it noninfringing, or offer to accept return
of said item and return the purchase price less a reasonable allowance
for depreciation. Notwithstanding the foregoing, Seller shall have no
liability for claims of infringement based on information provided by
Buyer, or directed to items delivered hereunder for which the designs are
specified in whole or part by Buyer, or infringements resulting from the
modification, combination or use in a system of any item sold hereunder.
The foregoing provisions of this Part 10 shall constitute Seller’s sole and
exclusive liability and Buyer’s sole and exclusive remedy for infringe-
ment of Intellectual Property Rights.
If a claim is based on information provided by Buyer or if the design for
an item delivered hereunder is specified in whole or in part by Buyer,
Buyer shall defend and indemnify Seller for all costs, expenses or
judgments resulting from any claim that such item infringes any patent,
trademark, copyright, trade dress, trade secret or any similar right.
11. Force Majeure: Seller does not assume the risk of and shall not be
liable for delay or failure to perform any of Seller’s obligations by reason
of circumstances beyond the reasonable control of Seller (hereinafter
‘Events of Force Majeure’). Events of Force Majeure shall include
without limitation, accidents, acts of God, strikes or labor disputes, acts,
laws, rules or regulations of any government or government agency,
fires, floods, delays or failures in delivery of carriers or suppliers,
shortages of materials and any other cause beyond Seller’s control.
12.  Entire Agreement/Governing Law: The terms and conditions set
forth herein, together with any amendments, modifications and any
different terms or conditions expressly accepted by Seller in writing,
shall constitute the entire Agreement concerning the items sold, and
there are no oral or other representations or agreements which
pertain thereto. This Agreement shall be governed in all respects by
the law of the State of Ohio. No actions arising out of the sale of the
items sold hereunder or this Agreement may be brought by either
party more than two (2) years after the cause of action accrues.

9/91-P

1. Terms and Conditions of Sale: All descriptions, quotations, propos-
als, offers, acknowledgments, acceptances and sales of Seller’s prod-
ucts are subject to and shall be governed exclusively by the terms and
conditions stated herein. Buyer’s acceptance of any offer to sell is
limited to these terms and conditions. Any terms or conditions in addition
to, or inconsistent with those stated herein, proposed by Buyer in any
acceptance of an offer by Seller, are hereby objected to. No such
additional, different or inconsistent terms and conditions shall become
part of the contract between Buyer and Seller unless expressly ac-
cepted in writing by Seller. Seller’s acceptance of any offer to purchase
by Buyer is expressly conditional upon Buyer’s assent to all the terms
and conditions stated herein, including any terms in addition to, or
inconsistent with those contained in Buyer’s offer, Acceptance of
Seller’s products shall in all events constitute such assent.
2. Payment: Payment shall be made by Buyer net 30 days from the date
of delivery of the items purchased hereunder. Amounts not timely paid
shall bear interest at the maximum rate permitted by law for each month
or portion thereof that the Buyer is late in making payment. Any claims
by Buyer for omissions or shortages in a shipment shall be waived
unless Seller receives notice thereof within 30 days after Buyer’s receipt
of the shipment.
3. Delivery: Unless otherwise provided on the face hereof, delivery
shall be made F.O.B. Seller’s plant. Regardless of the method of
delivery, however, risk of loss shall pass to Buyer upon Seller’s delivery
to a carrier. Any delivery dates shown are approximate only and Seller
shall have no liability for any delays in delivery.
4. Warranty: Seller warrants that the items sold hereunder shall be free
from defects in material or workmanship for a period of 18 months from
date of shipment from Parker Hannifin Corporation. THIS WARRANTY
COMPRISES THE SOLE AND ENTIRE WARRANTY PERTAINING TO
ITEMS PROVIDED HEREUNDER. SELLER MAKES NO OTHER WAR-
RANTY, GUARANTEE, OR REPRESENTATION OF ANY KIND WHAT-
SOEVER. ALL OTHER WARRANTIES, INCLUDING BUT NOT LIM-
ITED TO, MERCHANTABILITY AND FITNESS FOR PURPOSE,
WHETHER EXPRESS, IMPLIED, OR ARISING BY OPERATION OF
LAW, TRADE USAGE, OR COURSE OF DEALING ARE HEREBY
DISCLAIMED. NOTWITHSTANDING THE FOREGOING, THERE ARE
NO WARRANTIES WHATSOEVER ON ITEMS BUILT OR ACQUIRED
WHOLLY OR PARTIALLY, TO BUYER’S DESIGNS OR SPECIFICA-
TIONS.
5. Limitation Of Remedy: SELLER’S LIABILITY ARISING FROM OR
IN ANY WAY CONNECTED WITH THE ITEMS SOLD OR THIS CON-
TRACT SHALL BE LIMITED EXCLUSIVELY TO REPAIR OR RE-
PLACEMENT OF THE ITEMS SOLD OR REFUND OF THE PUR-
CHASE PRICE PAID BY BUYER, AT SELLER’S SOLE OPTION. IN NO
EVENT SHALL SELLER BE LIABLE FOR ANY INCIDENTAL, CON-
SEQUENTIAL OR SPECIAL DAMAGES OF ANY KIND OR NATURE
WHATSOEVER, INCLUDING BUT NOT LIMITED TO LOST PROFITS
ARISING FROM OR IN ANY WAY CONNECTED WITH THIS AGREE-
MENT OR ITEMS SOLD HEREUNDER, WHETHER ALLEGED TO
ARISE FROM BREACH OF CONTRACT, EXPRESS OR IMPLIED
WARRANTY, OR IN TORT, INCLUDING WITHOUT LIMITATION,
NEGLIGENCE, FAILURE TO WARN OR STRICT LIABILITY.
6.
 Changes, Reschedules and Cancellations: Buyer may request to
modify the designs or specifications for the items sold hereunder as well
as the quantities and delivery dates thereof, or may request to cancel all
or part of this order, however, no such requested modification or
cancellation shall become part of the contract between Buyer and Seller
unless accepted by Seller in a written amendment to this Agreement.
Acceptance of any such requested modification or cancellation shall be
at Seller’s discretion, and shall be upon such terms and conditions as
Seller may require.
7. Special Tooling: A tooling charge may be imposed for any special
tooling, including without limitation, dies, fixtures, molds and patterns,
acquired to manufacture items sold pursuant to this contract. Such
special tooling shall be and remain Seller’s property notwithstanding
payment of any charges by Buyer. In no event will Buyer acquire any
interest in apparatus belonging to Seller which is utilized in the manu-
facture of the items sold hereunder, even if such apparatus has been
specially converted or adapted for such manufacture and notwithstand-

Содержание Hydraguide HGA Series

Страница 1: ...Hydraulics Bulletin 2751 001 M1 USA Hydraguide Service Procedure Effective July 1 2000 HGA Series Hydrostatic Steering System...

Страница 2: ...oduct catalog Due to the variety of operating conditions and applications for these products or systems the user through its own analysis and testing is solely responsible for making the final selecti...

Страница 3: ...ring Section 8 Rotor Operation 8 Power Steering Operation 9 Manual Steering Operation 9 Exploded View 10 Service Parts List 11 Service Procedure 13 Work Conditions 13 Seal Replacement Instructions 14...

Страница 4: ...rvice Manual HGA Hydraguide Hydraulics Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee 4 Typical Oil Flow SUPPLY PRESSURE From Power Pump RETURN OIL FLOW To Reservoir M...

Страница 5: ...e Manual HGA Hydraguide Hydraulics Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee 5 Typical Oil Flow OIL FLOW From Recirculating Valve RETURN OIL To Recirculating Valv...

Страница 6: ...in the high pressure circuit a loss of power steering will result The HGA however is designed to have some manual steering capability depending on the installation If you can t manually steer the vehi...

Страница 7: ...gine driven pump for power steering Emergency manual operation is also described Satisfactory performance of this system requires a well engineered installation designed for the particular type of veh...

Страница 8: ...n of the metering section is to meter the oil to the power cylinder maintaining the relationship between the hand wheel and the steered wheels An additional function of the metering section is to act...

Страница 9: ...axially displaced within the body fluid channels are selected connecting the engine driven pump to the intake side of the rotor set via the WARNING ALL STEERING MECHANISMS ARE LIFE AND LIMB ITEMS AS...

Страница 10: ...her 38 End Cover 39 Special Bolt 1 Nut 2 Dirt Water Seal 3 Retaining Ring 4 Backup Washer 5 Seal 6 Screw 7 Upper Cover 8 Seal 9 Shim 10 Retaining Ring 11 Thrust Washer 12 Thrust Bearing 13 Thrust Wash...

Страница 11: ...14 15 16A 16C 16B 16D 17 18 23 Thrust Thrust Spring Spacer Pinhole Wheel Mount Full Bolt Straight Needle Drive Ball Bearing Washer Bearing Washer Shaft Shaft Groove Spline Roller Ring 5 16 dia 063979...

Страница 12: ...1290 021306 BASE A10550 HGA013008 4772480221 HGA 16 506609 HGA167005 1 001 099074 2 022 032628 2 203 021292 021382 BASE A10562 HGA013008 4772480234 HGA 20 HGA207005 1 252 099075 2 272 032620 2 511 021...

Страница 13: ...or table is used A piece of clean wrapping paper makes an excellent dispos able top Outside dirt should be cleaned off before disconnect ing lines and port holes should be plugged immedi ately after...

Страница 14: ...the Hydraguide unit input shaft with cellophane tape to protect the new seal 5 when it is assembled over the sharp edges of the input shaft 7 Lubricate the new seal using hydraulic oil and install the...

Страница 15: ...t in the plate and is non serviceable See Figure HGA 8 4 Remove the rotor seal 36 and seal retainer 35 by bumping the can sideways with a soft hammer to loosen it from the housing and lift off the rot...

Страница 16: ...r 7 with shaft seal pack age Items 2 thru 5 intact Remove spacer item 15 15 Remove shims 9 from either upper cover 7 cavity or from face of thrust washer 11 Count and record the number of shims to aid...

Страница 17: ...ution The actuator ball may fall free and care should be used to not lose it 22 Do not remove the ball retainer spring 24 unless replacement is required If necessary to remove this spring discard the...

Страница 18: ...n and the circular motion of the commu tator The sides of these components are ground and lapped and should be free from nicks burrs and scoring 1 Spacer 29 2 Manifold 32 3 Rotor 31 4 Commutator 34 an...

Страница 19: ...nput shaft 16 and spool 22 assembly in a vertical position with the shaft end on the table surface NOTE Rotate the input shaft 16 out of the valve spool 22 until input shaft will no longer rotate Ther...

Страница 20: ...s After torquing the four screws 6 revolve unit in vise so that the input shaft is pointing downward In order to determine that the unit is shimmed correctly the drive link 30 must be in its proper po...

Страница 21: ...be down in their slots with no part of spring protruding out either side of metering element Figure HGA 22 Figure HGA 23 Figure HGA 24 Figure HGA 25 20 Install manifold 32 over assembly posts and onto...

Страница 22: ...Figure HGA 28 Note Rotate input shaft during step 2 to prevent binding 27 Relocate HGA unit in a vise with the input shaft up Cover end of input shaft with cellophane tape to protect new seal 5 when...

Страница 23: ...the pins with heavy hammer blows as this may damage the HGA unit 7 Remove the wheel tube 5 8 Remove the coupling 2 9 Remove the clamp assembly 1 TO ASSEMBLE COLUMN 1 Assemble the clamp assembly 1 ont...

Страница 24: ...eering wheel left and right from stop to stop of the road wheels to bleed out air Replenish oil as necessary 7 The air will bleed out only at the reservoir there fore the oil must be circulated in bot...

Страница 25: ...traighten or bend any steering part Prevent dirt or other foreign matter from entering the hydraulic system Clean off around filler caps before checking oil level Investigate and correct any external...

Страница 26: ...Bulletin 2751 001 M1 USA Service Manual HGA Hydraguide Hydraulics Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee 26 Notes...

Страница 27: ...Bulletin 2751 001 M1 USA Service Manual HGA Hydraguide Hydraulics Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee 27 Notes...

Страница 28: ...Bulletin 2751 001 M1 USA Service Manual HGA Hydraguide Hydraulics Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee 28 Notes...

Страница 29: ...rules or regulations of any government or government agency fires floods delays or failures in delivery of carriers or suppliers shortages of materials and any other cause beyond Seller s control 12 E...

Страница 30: ...Parker Hannifin Corporation 2745 Snapps Ferry Road Greeneville TN 37745 USA Tel 423 639 8151 FAX 423 787 2418 Web site http www parker com HGA 8 2000 Hydraulics...

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