SPX Marley Geareducer 34.4 Series User Manual Download Page 1

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34.4

3400 Series

Geareducer

INSTALL ATION - OPERATION - MAINTENANCE

Z0504563_A ISSUED 06/2017

READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

user manual

Summary of Contents for Marley Geareducer 34.4 Series

Page 1: ...34 4 3400 Series Geareducer INSTALLATION OPERATION MAINTENANCE Z0504563_A ISSUED 06 2017 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual...

Page 2: ...aft Refer to the Driveshaft User Manual Seasonal Shutdown one week to three months At start of shutdown period operate Geareducer until oil is warm 120 F 50 C and change the oil See section on Service...

Page 3: ...the Geareducer should be scheduled as fol lows Monthly Check oil level at least once a month using the fol lowing procedure Stop the fan drive Allow ten minutes for oil level to stabilize and check o...

Page 4: ...1 is provided as refer ence only These products have been recommended by their respective manufacturers as acceptable for use in a Marley spiral bevel and or helical Geareducer for cooling tower appl...

Page 5: ...0 0 1 l i O E T D l i b o M l i b o M 9 2 6 C H S l i b o M l i o z n e P 0 0 1 O R r o 0 0 1 B P l l e b a z n n e P 6 6 s p i l l i h P 0 0 1 s u n g a M l l e h S 0 0 1 T o b r u T n u S 0 0 1 9 s...

Page 6: ...EL RING GEAR 101 PINION SHAFT AND GEAR PINION CAGE PINION CAGE CAP INTERSTAGE SHAFT 204 206 500 5 INTERSTAGE BEARING RETAINER 20 DOWEL PIN 603 106 201 109 411 602 402 GEAREDUCER CASE 203 205 102 105 5...

Page 7: ...lts 206 Washers 300 Fan Shaft Assembly 301 Fan shaft 302 Key 303 Fan hub retainer 304 Cap screw 305 Locking plates 306 Key 400 Pinion Shaft Bearing Set 401 Tail tapered roller bearing 402 Head tapered...

Page 8: ...ON SHAFT AND GEAR PINION CAGE PINION CAGE CAP INTERSTAGE SHAFT 204 206 500 5 INTERSTAGE BEARING RETAINER 20 DOWEL PIN 603 106 201 109 411 602 402 500 704 LOWER FAN SHAFT CAP GEAREDUCER CASE 203 205 10...

Page 9: ...t Assembly 301 Fan shaft 302 Key 303 Fan hub retainer 304 Cap screw 305 Locking plates 306 Key 307 Water slinger spacer 400 Pinion Shaft Bearing Set 401 Tail tapered roller bearing 402 Head tapered ro...

Page 10: ...hese parts are marked with an asterisk in the description below O rings oil seal and gaskets should be carefully inspected for damage before being reinstalled SPX recommends that new O rings and oil s...

Page 11: ...11 field repair Figure 6 Model 34 4 Disassembly of Major Subassemblies 2 3 4 5 5 5 6 7...

Page 12: ...ead of pinion shaft is to be replaced it will be necessary to press off oil slinger 102 and bearing cone at the same time Disassembly of Interstage Part numbers and references refer to Figures 3 4 and...

Page 13: ...ge check match numbers on pinion gear and spiral bevel ring gear to be certain they are a matched set Gears are lapped in matched sets at the factory and should not be separated Numbers are etched on...

Page 14: ...ing 411 onto interstage shaft 3 Install double cup and spacer of bottom interstage bearing 411 4 Press bottom cone 411 into place 5 Install retainer disc 203 with bolts Tighten to 55 ft lb 75 N m torq...

Page 15: ...which mates with case cover Lower case cover subassembly onto case piloting both shaft subassemblies into their respective bores 5 Install dowel pins 20 to align bearing bores Fasten case cover to cas...

Page 16: ...ring 702 onto pinion cage subassembly 2 Bolt pinion cage subassembly to case using proper number of shims to give indicated pinion setting distance which is etched on front face of pinion gear See Fi...

Page 17: ...lly install a quantity of shims between case and bot tom cap to insure that axial bearing end play exists b Mount a dial indicator to measure axial movement of fan shaft Support indicator stand on the...

Page 18: ...ing the proper backlash and tooth contact pattern The gear and pinion are match marked when lapped and must be assembled the same way The ring gear has the end of two teeth marked X and the pinion has...

Page 19: ...on setting distance and vice versa an amount proportional to the number of teeth in the respective members For example on a 10 to 1 gear set if the ring gear was moved 010 25mm the pinion should be mo...

Page 20: ...In the interest of technological progress all products are subject to design and or material change without notice Geareducer US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND...