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Amarillo
Amarillo Right Angle Pump Drives, if properly installed and maintained, should
provide years of service with a minimum amount of maintenance. Repairs, when
required, usually involve bearing or gear replacement. While the job is not
difficult, it should only be performed in an adequately equipped shop by capable
personnel. It should be noted that any repairs made outside the factory without
consent of the manufacturer will void the warranty.
Amarillo Gear Company LLC
Post Office Box 1789
Amarillo, Texas 79105
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www.amarillogear.com
PUMP DRIVES
(250 HP THROUGH 350 HP)
INSTRUCTIONS FOR REPAIRING
MODELS 250, 300, and 350
2401 Sundown Lane (79118) 806
•
A Marmon Water/Berkshire Hathaway Company
email: info@amarillogear.com
®
Catalog 0215
622
1273
FAX 806
622
•
•
•
•
•
©AGC 2015
3258
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Table of Contents
Related Manuals for Amarillo 350
Summary of Contents for Amarillo 350
- Page 1 Amarillo Right Angle Pump Drives, if properly installed and maintained, should provide years of service with a minimum amount of maintenance. Repairs, when required, usually involve bearing or gear replacement. While the job is not difficult, it should only be performed in an adequately equipped shop by capable personnel.
- Page 2 ATTENTION Please note that gear drives with a serial number greater than 231989 have all joints sealed with Loctite Gasket Eliminator 515, instead of gaskets. Loctite 515 is a formed in place gasket material, which provides superior sealing over conventional gaskets. After disassembling for repair or inspection, we recommend resealing with Loctite 515. However, gasket may still be used. If a gasket is utilized between the horizontal carrier and the gear case for a gear drive originally built with Loctite, the thickness of the horizontal outer spacer (550) will have to be changed to maintain the proper position of the horizontal gear. To correct the horizontal gear position, increase the horizontal spacer thickness by the thickness of the gasket. If Loctite is used to re‐seal the gear drive ...
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Page 3: Table Of Contents
TABLE OF CONTENTS Page General Disassembly Instructions Disassembly of Vertical Shaft Assembly Disassembly of Horizontal Shaft Assembly General Assembly Instructions Assembly of Parts on the Vertical Shaft Assembly of Parts on the Horizontal Shaft Backlash Check Tooth Contact Pattern Check Backlash Adjustment 10.0 Final Assembly... -
Page 4: General Disassembly Instructions
General Disassembly Instructions. Refer to the appropriate cross sectional drawing during disassembly (Figures 1, 2 or 3). Drain and dispose of the oil. Remove the side inspection plate (not shown). On models 300 and 350, loosen the two fittings on the heat exchanger (302) and remove the heat exchanger, and mounting brackets (if used). - Page 5 1.15 If replacing the oil tube (801) remove the bottom plug (17) from the gear case (10) and replace with a new bottom plug/oil tube assembly. 2 Form 479 ...
- Page 6 Figure 1 Vertical Hollow Shaft 3 Form 479 ...
- Page 7 Figure 2 Vertical Solid Shaft with Non-Reverse 4 Form 479 ...
- Page 8 Figure 3 Vertical Solid Shaft without Non-Reverse 5 Form 479 ...
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Page 9: Disassembly Of Vertical Shaft Assembly
Disassembly of the Vertical Shaft Assembly. NOTE: Each gear drive contains several spacers. These spacers are not interchangeable. Note the location of each spacer during disassembly to assure proper reassembly. 1.16 Clamp the vertical shaft assembly in a heavy vise directly under the gear. Use caution to avoid crushing the hollow vertical shaft. - Page 10 1.26 Ensure that the cup adjustment plate (480) is centered with the outer race of the lower bearing (601). Slowly apply pressure to the porta-power and pull the lower bearing off of the shaft (400). 7 Form 479 ...
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Page 11: Disassembly Of Horizontal Shaft Assembly
Disassembly of the Horizontal Shaft Assembly. Match mark the oil seal plate (16) and the horizontal carrier (15). Remove the oil seal plate (16). Loosen the horizontal locknut set (560) from the end of the horizontal shaft (500) by removing the socket head cap screws. Remove the locknut set with a spanner wrench or drift punch. -
Page 12: General Assembly Instructions
General Assembly Instructions. Wash all disassembled parts and housings thoroughly with clean solvent. Clean out all oil lines. Check the new gear set (if required) to make sure it is a matched set. Our gears are lapped in matched sets at the factory and must not be separated. Each set of gears is assigned a serial number which is etched on each member of a set. -
Page 13: Assembly Of Parts On The Vertical Shaft
Assembly of Parts on the Vertical Shaft. Note: If the gear or gear mount was not pressed off the vertical shaft, proceed to Step 5.4. Slide the under gear spacer (451) onto the vertical shaft. Insert the vertical gear key (910) into the vertical shaft keyway. Press the gear or gear mount onto the shaft (400). - Page 14 4.18 Place the thrust bearing cover (21), if equipped, on the thrust bearing carrier (12). Install the cap screws and two eyebolts in the thrust bearing carrier and tighten securely. Make sure the eyebolts are placed in the same location noted in Step 1.12.
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Page 15: Assembly Of Parts On The Horizontal Shaft
Assembly of the Horizontal Shaft Assembly Press the bearing cups (602 & 603) into the horizontal carrier (15). Insert the horizontal shaft gear key (911) into the shaft keyway. Use the following procedure if a gear retainer is used: 5.3.1 Press the pinion on the horizontal shaft (500). -
Page 16: Backlash Check
Backlash check. Backlash is the amount of clearance between the mating teeth of a gear set and is obtained by measuring the amount of movement of one member at the pitch diameter, when the other member is held stationary. Backlash is very difficult to measure directly in an assembled gear drive. - Page 17 Figure 4 Backlash Check Table 1 Values of “C” Used in Backlash Calculations Ratio “C” 4.86 10:11 5.20 5.65 6.25 6.00 6.45 6.65 6.75 ---- ----- 11:10 4.74 4.14 4.00 3.86 3.50 3.45 3.13 3.00 3.00 2.75 2.25 14 ...
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Page 18: Tooth Contact Pattern Check
Tooth Contact Pattern Check Remove the spreader bar from the top of the gear drive Apply a suitable marking compound to the teeth of the gears and rotate the horizontal shaft. The correct tooth contact for a gear set is shown in Figure 5. If the tooth contact is correct, and the backlash is within limits, proceed to Step 10.0. - Page 19 Figure 5 Figure 6 16 Form 479 ...
- Page 20 Figure 7 Figure 8 17 Form 479 ...
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Page 21: Backlash Adjustment
Backlash Adjustment After correct tooth contact is obtained, the backlash must be rechecked according to the procedure outlined in Step 7.0 If the backlash is less than the amount etched on the gear set, the vertical gear will have to be moved away from the pinion (or for a speed increasing drive, the horizontal gear to be moved away from the vertical pinion). -
Page 22: Final Assembly
Final Assembly Cover the horizontal shaft keyway with tape to prevent the oil seal (802) from being cut as it slides over the keyway. Replace the horizontal shaft oil seal (802). Align the match marks and install the oil seal plate (16). Align the match marks on the thrust bearing cover (21) and the thrust bearing carrier (12). -
Page 23: Machining Of New Gear Mount
Machining of New Gear Mount (Refer to Figure 9) Gear mounts as supplied by the factory are not finish machined on the gear mounting surfaces. These features are machined after the gear mount is assembled on the vertical shaft to assure that the ring gear will be perfectly centered. This operation will require a lathe with the ability to drive the shaft between centers.
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