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F3788-7-04

Maintenance Section 5-2

CYLINDER SERVICE
Cylinders are designed to be reliable and easy to service.

If a cylinder should malfunction during warranty period,

return

complete

cylinder

assembly,

without

disassembling, to your authorized service department or

contact your authorized service department for

instructions. Unauthorized disassembly of a cylinder in

warranty period will VOID WARRANTY.
Following is an outline procedure for disassembling and

reassembling cylinders.
CYLINDER
1. Hold cylinder tube (13 figure 5A) stationary and pull

wire ring (14) out through slot. Rotate head (6) to ease

disassembly.

2. Pull shaft (1), with all assembled parts, out of cylinder

tube.

NOTE: Resistance will be felt until head and piston seal (5

& 10) slides over wire retaining ring groove. Seals are

usually damaged when cylinder is disassembled.

3. Remove lock nut (12) from end of shaft and slide piston

(8) and cylinder head (6) off shaft.

4. Remove piston wear ring (11), piston seal (10), and o-

ring (9) from outside grooves on piston (Swing and

boom cylinders have additional steel ring between

piston and nut).

5. Remove wiper seal (2), rod seal (3) and wear ring (7)

from inside of cylinder head and o-ring (5) with backup

washer (4) from groove on outside of head.

6. Clean all parts including cylinder tube, in a suitable

cleaning solvent, then use air pressure to blow any dirt

or excess solvent from all parts.

7. Examine all parts for wear or damage and replace, if

necessary.

CYLINDER ASSEMBLY

NOTE: Be careful not to damage seals and o-rings on

edges or holes in cylinder tube. Inspect and remove burrs

and sharp edges if necessary before reassembly.

1. Place rod seal (3) into groove inside cylinder head.

NOTE: Lips of seal (3) must face inward and seal must be

firmly seated in groove (Figure 5B). For easier installation,

place seal (3) in 120°F water to warm seal.

2. Install wiper seal (2) with lip of seal facing out and flush

with top of cylinder head. Install wear ring (7) inside

other end of head.

3. Place o-ring (5) with back-up washer (4) in groove on

outside of head. Back-up washer must be on rod side.

4. Remove sharp edges on outer edge of threaded end of

shaft (1). Lubricate wiper seal (2) and rod seal (3) in

head and carefully slide head onto shaft.

5. Place o-ring (9), piston seal (10) and piston wear ring

(11) in grooves on outside of piston.

NOTE: For easier installation, place piston seal (10) in

120°F water to warm seal.

6. Slide piston onto threaded end of shaft with wear ring

twoard base of cylinder and install lock nut (12). Swing

and stabilizer cylinders, tighten lock nut (12) to 300 ft.

lbs. Lift, dipperstickand bucket cylinders tighten lock

nut (12) to 480 ft. lbs.

7. Lubricate piston wear ring (11) and piston seal (10) on

piston, o-ring (5) and backup washer (4) on head and

inside of cylinder tube (13), then carefully slide piston

and head into cylinder tube.

8. Insert wire retaining ring (14) into slot in cylinder tube

(13). Apply pressure to wire ring to thread it into groove

while turning cylinder head.

MAINTENANCE

MAINTENANCE

© 2004

Alamo Group Inc.

Содержание 95HD

Страница 1: ...e and must be maintained with the unit at all times and the Safety and Operation Instructions contained in this manual before operating the equipment READ UNDERSTAND FOLLOW nnnnnnnnn mmmmmnnnnnn This...

Страница 2: ...of the Machine is recorded on the Warranty Card and on the Warranty Form that you retain The use of will fit parts will void your warranty and can cause catastrophic failure with possible injury or d...

Страница 3: ...4 1 Pre Operation Check List Operating Directions Engine Speed 4 2 Controls Boom Swing Dipperstick Bucket 4 2 Operating Backhoe 4 3 Seat Adjustment Mounting and Dismounting Buckets 4 4 Placing the Sta...

Страница 4: ...Safety Section 1 1 SAFETY SECTION 2004 Alamo Group Inc...

Страница 5: ...backhoe Never allow a person to work under a raised bucket Never lift a person with backhoe Do not use bucket as a battering ram Always lower bucket to ground when not digging Never leave tractor una...

Страница 6: ...n transporting the Equipment use the Power Unit flashing warning lights and follow all local traffic regulations Operate this Equipment only with a Tractor equipped with an approved roll over protecti...

Страница 7: ...rt personnel should wear hard hats safety shoes safety glasses and proper hearing protection at all times for protection from injury including injury from items thrown by the equipment PROLONGED EXPOS...

Страница 8: ...ent at a slow speed in turns Increase the speed through the turn only after you determine that it is safe to operate at a higher speed Use extreme care and reduce your speed when turning sharply to pr...

Страница 9: ...ately before or while operating the Power Unit and Implement Drugs and alcohol will affect an operator s alertness and coordination and therefore affect the operator s ability to operate the equipment...

Страница 10: ...e of the equipment and result in injury Always shut the Power Unit completely down place the transmission in park and set the parking brake before you or anyone else attempts to connect or disconnect...

Страница 11: ...F3788 7 04 Safety Section 1 8 SAFETY SAFETY 2004 Alamo Group Inc...

Страница 12: ...6 44897 2 DANGER Crushing Hazard 7 44898 1 OPERATION Boom Operation 8 44899 1 OPERATION Dipperstick Bucket Operation 9 44900 1 OPERATION Left Side Stabilizer Position 10 44901 1 OPERATION Right Side...

Страница 13: ...egible Replacement decals are available from your dealer 5 44896 2 45970 4 44895 6 44897 3 44907 14 48280 SAFETY 45491 Do not attach backhoe to tractors which have 3 PT Quick Attaching Coupler Backhoe...

Страница 14: ...F3788 7 04 Safety Section 1 11 SAFETY 10 44901 9 44900 12 44909 11 44908 1 50850 16 35674 5 13 50851 15 49696 7 44898 8 44899 SAFETY 49696 2004 Alamo Group Inc...

Страница 15: ...l equipment with which the employee is or will be involved Employer Responsibilities To ensure employee safety during Tractor and Implement operation it is the employer s responsibility to 1 Train the...

Страница 16: ...INTRODUCTION SECTION Introduction Section 2 1 2004 Alamo Group Inc...

Страница 17: ...safety alert symbol identifies important safety messages in this manual Observe and follow all safety messages to prevent personal injury Reference to left hand and right hand used in this manual ref...

Страница 18: ...Spread down position 117 K Stabilizer Spread up position 67 Shipping Weight less bucket 1818 lbs Bucket Digging Force 5872 lbs Dipperstick Digging Force 3800 lbs Operating Pressure 2500 PSI NOTE See I...

Страница 19: ...F3788 7 04 Introduction Section 2 4 SPECIFICATIONS INTRODUCTION INTRODUCT ION 2004 Alamo Group Inc...

Страница 20: ...Assembly Section 3 1 ASSEMBLY SECTION 2004 Alamo Group Inc...

Страница 21: ...2 1 2 nipple 19 3 4 x 3 4 elbow 18 and 3 4 x 2 nipple 20 to right tank port Point 3 4 x 3 4 elbow fitting 18 up 4 Install filter body without filter element to 3 4 nipple 20 Be sure oil flow arrow on...

Страница 22: ...connecting backhoe hydraulics to tractor so stabilizers can be activated Position backhoe to achieve 90 and 15 18 inch height as described in figures 3A 3B 5 Join support braces 1 2 front center link...

Страница 23: ...h pin from tractor If required insert bushing 8 9 or 22 into center front link 5 to match tractor clevis pin diameter CAUTION Upper connecting point where backhoe fastens to tractor is under high load...

Страница 24: ...Operation Section 4 1 OPERATION SECTION 2004 Alamo Group Inc...

Страница 25: ...d at which backhoe operates is dependent on tractor PTO RPM Use a moderate engine speed to start and increase it as your experience permits CONTROLS The backhoe has two major control levers Boom Swing...

Страница 26: ...g bucket toward operator with down pressure on it As dipperstick approaches operator the dipperstick and bucket controls can be operated together to close bucket and trap material At end of stroke lif...

Страница 27: ...des for the widest stabilizer stance and lowest center of gravity Raising the wheels off the ground will not only reduce stability and digging depth but impair performance and impose unnecessary stres...

Страница 28: ...bracket located on bucket cylinder when transporting backhoe During backhoe operation position SMV sign on bracket located on tractor REMOVAL FROM TRACTOR STORAGE Backhoe is self assisting during ins...

Страница 29: ...MAINTENANCE SECTION Maintenance Section 5 1 2004 Alamo Group Inc...

Страница 30: ...for wear or damage and replace if necessary CYLINDER ASSEMBLY NOTE Be careful not to damage seals and o rings on edges or holes in cylinder tube Inspect and remove burrs and sharp edges if necessary b...

Страница 31: ...slowly for a short time before placing unit under full load Fully cycle backhoe through all movements several times to purge air from the system HYDRAULIC HOSES WARNING Escaping hydraulic fluid under...

Страница 32: ...ittings thoroughly before using grease gun Lubricate all 27 grease fittings at least twice daily See chart for locations once at the beginning of operation and again approximately half way through the...

Страница 33: ...n center position 18 19 21 25 POSSIBLE CAUSE CORRECTIVE ACTION 1 Low oil level in reservoir Fill reservoir to proper level 2 No oil supply to machine Coupler not fully engaged 3 Air in system Purge al...

Страница 34: ...cylinder ports are plugged Check restrictors for debris and clean See Fig 11 item 3 31 Hoses plumbed incor rectly Check hose plumbing See Fig 11 32 Excessive hydraulic pressure due to tractor mechani...

Страница 35: ...th rubber mallot to align sections evenly against rods 8 Torque stud nuts evenly 15ft Lbs SPOOL SEAL REMOVAL 1 Remove handle assembly Center two sections Remove clevis pin from spool 2 Remove bonnet a...

Страница 36: ...RINGS EXHAUST O RING LOAD CHECK EXHAUST O RING 6B ROD END DIPPERSTICK CYLINDER 6A BASE END DIPPERSTICK CYLINDER 5B ROD END BUCKET CYLINDER 5A BASE END BUCKET CYLINDER 4B BASE END RIGHT STABILIZER CYL...

Страница 37: ...MAINTENANCE MAINTENANCE F3788 7 04 Maintenance Section 5 9 2004 Alamo Group Inc...

Страница 38: ...2 1066 1181 1444 1224 1496 1658 2027 5 8 11 126 139 171 188 168 185 228 251 NOTE These values apply to fasteners as received from the supplier dry or when lubricated with normal engine oil They do not...

Страница 39: ...able amount as determined by Manufacturer and for returning the goods to the Dealer whether or not the claim is approved Purchaser is responsible for the transportation cost for the goods or part s fr...

Страница 40: ...o abuse or mis use and have been properly maintained as noted NOTE properly maintained specifically includes but is not limited to A Regular lubrication B Using proper amounts of correct hydraulic flu...

Страница 41: ...nfine the employee to the protected area provided by the ROPS REQUIRED OF THE OPERATOR 1 Securely fasten seatbelt if the tractor has a ROPS 2 Where possible avoid operating the tractor near ditches em...

Страница 42: ...95HD SOM 7 04 Printed U S A P N F 3788...

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