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Summary of Contents for Cleveland RXT
- Page 1 INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS FOR CLEVELAND MIXER RXT & APD AGITATORS Models: RXT, RXTO, RXTS, RXTM, RXT - 2M Models: APD, APDO, APDS, APDM, APD-2M, SDM, SDS RXT O&M 06/25/2015 JMN...
- Page 2 INSTALLATION NOTES- 11-11b FIXING ELEMENT INSTALLATION 12 - 13 INSTALLATION NOTES EXPANSION CHAMBER AUTO LUBRICATOR STEADY BEARING TRIPOD ASSEMBLY PACKING GLAND/STUFFING BOX SEALS 18-19 IMPELLERS AND COUPLINGS SIDE ENTRY MIXERS SIDE ENTRY MIXER SHUT-OFF PLUG TROUBLE SHOOTING RXT O&M 06/25/2015 JMN...
- Page 3 If any of the shipment was not delivered or delivered with visible damage, please contact the carrier to report the missing pieces or damage. Once you've contacted the carrier, please contact Cleveland Mixer so we can document the issue.
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Page 4: Installation Site
INSTALLATION SITE Mixer drives must be properly installed if they are to produce the rated torque. Improper installation may lead to oil leaks, reduced life or even catastrophic failure. Cleveland Mixers are intended to be installed under the following conditions: •... - Page 5 Calculated tightening torques are based on conventional 60°F, clean and dry or lubricated (as indicated above) thread. Standard fasteners will be supplied with a split lock washer. Cleveland Mixer recommends a minimum of grade 5 (ASTM A449) for all hardware to 1-8 and grade SAE 8 for larger sizes.
- Page 6 Cleveland Mixer recommends an oil change 3 months after startup to flush the gear case of any debris caused by the reducer's wear-in period. Drain the oil from the reducer, take a look to make sure the oil looks clean and clear (If the original oil is foamy and burnt looking or has chunks of metal in it, please contact the factory for assistance).
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Page 7: Drain Plug
RXT & APD AGITATOR MANUAL_09-17-15_JN PLUGS AUTO VENT DRAIN PLUG FILL LEVEL PLUG (MUST BE OPENED BEFORE OPERATING) COMMISSIONING Prior to mixer start-up, complete the following: • Check the lubricant and be sure that the gear unit is filled with the proper oil type, to the proper level, as determined by the mounting position (this info will also be indicated on the mixer's ID tag). -
Page 8: Mixer Model
20.00 QUARTS 31.71 SDM-8 LITERS 30.00 NOTE: SDM units do not require the use of an oil expansion chamber. The breather plug must be positioned above the oil fill line. Cleveland recommends changing the oil once per year. PAGE 6... - Page 9 ID tag. Cleveland Mixer recommends changing the oil once per year. Any unit with a 250 series motor frame and up will require an autolubricator for the motor input bearing.
- Page 10 RXT-9 LITERS 82.0 NOTE: RXT units do not require the use of an oil expansion chamber. These are top entry angled, helical bevel units. The other mixers in this series are vertical helical units. The fill quantities listed above are for RXT double reduction gear reducers.
- Page 11 RXT & APD AGITATOR MANUAL_09-17-15_JN LUBRICATION APPROVED OILS CHART AMBIENT TEMP KLUBER ISO VISCOSITY OIL TYPE MOBIL SHELL CASTROL FUCHS RANGE LUBRICATION PAO-EP Mobilgear Alphasyn Gearmaster Klubersynth -22 to 77°F Omala HD150 SHC150 EP150 SYN150/NA EG4-150 VG150 Klubersynth -22 to 77°F...
- Page 12 ASSEMBLY OF TOP ENTRY MIXERS TOP MOUNT The RXT and APD models are mixers that mount to the top of a tank, possibly by a flange connection to the tank nozzle or suspended on beams above an open top tank.
- Page 13 RXT & APD AGITATOR MANUAL_09-17-15_JN ASSEMBLING THE SHAFT FIXING ELEMENT For RXT, APD and SDM models with a hollow output shaft, a fixing element kit will be supplied with your mixer. This kit will include a cover plate w/ hardware, a cap plate with a lock washer and bolt, a plastic bore cap, shaft key and a snap ring (not supplied with some units).
- Page 14 RXT & APD AGITATOR MANUAL_09-17-15_JN SECTION VIEW - REDUCER SHAFT ASSEMBLY Before inserting your mixer shaft into your gear reducer, Cleveland Mixer recommends applying a lubrication compound to the insertion portion of the shaft, such as Anti-Seize, to prevent the shaft from galling up and getting stuck inside the hollow shaft.
- Page 15 The Cleveland Mixer shaft catcher is a two piece split collar that tensions around the shaft by tightening down on the 4 cap bolts to lock the catcher in place. Once tightened around the shaft, the catcher should be able to support the weight of the shaft (only).
- Page 16 RXT & APD AGITATOR MANUAL_09-17-15_JN STEP 2 - The gear reducer, STEP 1 - (detail page 11) Use the motor, pedestal and stub mixer mounting flange with a shaft will typically be shaft catcher (or your own shipped preassembled from...
- Page 17 RXT & APD AGITATOR MANUAL_09-17-15_JN Oil Expansion Chamber APD units size 4 and up are supplied with an oil expansion chamber. With the motor mounted vertically and the gear case filled almost completely with oil in order to lubricate the 1st stage gearing, certain operating conditions can result in additional oil churning and heating of the air space above the oil resulting in oil loss.
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Page 18: Cover Plate
RXT & APD AGITATOR MANUAL_09-17-15_JN AUTO LUBRICATOR ACTIVATION If you have an APD mixer model with a motor, frame size 250 or larger, the input adapter will require an auto-lubricator canister to lubricate the input adapter bearing. Your mixer will come supplied with a canister factory installed. -
Page 19: Laser Alignment
RXT & APD AGITATOR MANUAL_09-17-15_JN LEVEL STEADY BEARING ASSEMBLY If your mixer was supplied with a steady bearing Use a level when assembly, the tripod will need to be welded to the connecting the mounting bottom center of the tank. The alignment of the shaft... - Page 20 PACKING GLANDS / STUFFING BOX Cleveland Mixer stuffing box seals are supplied as either "high pressure" with 7 packing rings (the thickness of the packing is dictated by the shaft diameter) or "low pressure" with a single packing ring. High pressure stuffing box seals are typically supplied with mixers that are side wall mounted or mounted on a sealed tank with pressure over 30 PSI but less than 100 PSI.
- Page 21 RXT & APD AGITATOR MANUAL_09-17-15_JN Impellers Cleveland Mixer offers several different options for mixing impellers. The design of the impeller is typically based on the process specifications. Different types of mixing and different levels of agitation require different flow patterns and those flow patterns are created by the style of the impeller blades. The size and speed of the impeller along with the pitch of the blades will dictate the amount of power needed to turn them.
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Page 22: Impeller Assembly
Cleveland Mixer recommends using thread locking compound on all connection hardware. A calibrated torque wrench is required to keep balance in the connections and to ensure the connection bolts are stretched and tightened so they won't come loose during operation. - Page 23 Sealed, flange mounted mixers that mount to the tank with the with the mixing shaft horizontally are known as "Side Entry" mixers. This includes Cleveland's models: SDM, SDS, SRXTM and SRXTS. The first "S" represents side entry, then the model number and the last letter in the name, either S or M represents "M" for mechanical seal and "S" for packing gland.
- Page 24 The Cleveland Mixer shut off plug should only be activated as a last resort. It's always best to drain your tank before removing the mechanical seal. If it is necessary to activate the plug in order to perform maintenance on the seal, please take the following steps: (1) Turn the mixer off - You will need the shaft retraction device and split collar that were provided with your mixer.
- Page 26 RXT & APD AGITATOR MANUAL_09-17-15_JN...
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