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Model  : 3SM-RZ

- 6 -

 3. Product structure

 3. Product structure

 3. Product structure

 3. Product structure

№2 Inner casing

№1 Casing

№9 Priming cover

№15 Self-priming valve

№7 Valve case

№10 Center cover

№8 Drain cover

№3 Impeller

№21 Seal washer

№16 Boss cover

№22 Seal washer

№20 Sleeve

№24 O ring

№23 Seal washer

№12 Double mechanical seal

(a)

(b)

(c)

(d)

(e)

(f)

(g)

№19 Oil drain plug

№13 Ball bearing

№14 Ball bearing

№25 Key

№17 O ring

№19 Oil drain plug

№5 Bearing case

№6 Bearing case cover

№18 Glass sight

(a) Secondary stationary ring
(b) Secondary rotating ring
(c) Spacer (Teflon ring)
(d) Spring
(e) Primary rotating ring
(f) Plate
(g) Primary stationary ring

№11 Shaft

№4 Casing cover

Summary of Contents for 1SM-RZ

Page 1: ...ual Instruction Manual Instruction Manual Instruction Manual MITSUWA PUMP CO LTD Before operating the pump check the rotation direction of the motor and then attach either the belt or coupling bolt to the pump depending on the type of pump Warnings and Precautions Rubber Lining Self Priming Slurry Pump SM RZ Series ...

Page 2: ...m check list The manual is intended for use by operators who are overseeing operation of the pump Before installing operating maintaining or inspecting the pump please read this manual carefully and follow the instructions There may be some minor diffrence between the actual product and the description of this instruction manual as we continue to improve our products to offer better service to our...

Page 3: ...of the pump s self priming performance Prime the pump before operating it for the first time Operation without liquid in the pump casing can lead to mechanical failure Be sure to attach the safety cover to the rotating parts of the pump Do not touch the rotating parts during operation The safety cover is intended to prevent accidental contact with the rotating parts Check the tension of the V belt...

Page 4: ...he pump for any misalignment once the installation is finished and realign the pump when needed Operating the pumps while misaligned can cause premature failure For both suction or force pumps ensure the suction pipe is as short as possible and minimize bends in the pipe Observe the No 18 sight glass occasionally during operation or shutdown to check for oil If there are impurities seen in the oil...

Page 5: ...eeve 2 Inner casing 24 O ring 34 Back ring 28 Glass sight 23 Seal washer 4 Casing cover 12 Double mechanical seal a b c d e f g 25 Oil drain plug 13 Ball bearing 14 Ball bearing 25 Key 33 Oil cup 17 O ring 19 Oil drain plug 5 Bearing case 6 Bearing case cover 32 Oil seal 18 Glass sight a Secondary stationary ring b Secondary rotating ring c Spacer Teflon ring d Spring e Primary rotating ring f Pla...

Page 6: ...al washer 16 Boss cover 22 Seal washer 20 Sleeve 2 Inner casing 24 O ring 23 Seal washer 4 Casing cover 12 Double mechanical seal a b c d e f g 19 Oil drain plug 13 Ball bearing 14 Ball bearing 25 Key 17 O ring 19 Oil drain plug 5 Bearing case 6 Bearing case cover 18 Glass sight a Secondary stationary ring b Secondary rotating ring c Spacer Teflon ring d Spring e Primary rotating ring f Plate g Pr...

Page 7: ...eal washer 16 Boss cover 22 Seal washer 20 Sleeve 24 O ring 23 Seal washer 12 Double mechanical seal a b c d e f g 19 Oil drain plug 13 Ball bearing 14 Ball bearing 25 Key 17 O ring 19 Oil drain plug 5 Bearing case 6 Bearing case cover 18 Glass sight a Secondary stationary ring b Secondary rotating ring c Spacer Teflon ring d Spring e Primary rotating ring f Plate g Primary stationary ring 11 Shaf...

Page 8: ...ht glass Oil recommended for the machine chamber Oil ISO VG10 or equivalent Adequate amount of lubricating oil sealed in the machine chamber Direct driven type Check the coupling shock absorbing rubber for wear Belt driven type Check the belt for wear and belt tension Check connection between pump and motor Retighten the bolts and nuts When the bearings have high pitched noise replace the inner ou...

Page 9: ...ide it into the casing and rotating parts The impeller is a screw in type Loosen the impeller by turning it counterclockwise Caution Do not hit the impeller with a hammer Otherwise the rubber lining can be damaged Be careful not to damage other rubber lining parts too When replacing the double mechanical seal be sure to also replace the seal washer and O ring Remove the bolt for No 4 casing cover ...

Page 10: ...an be damaged by strong impact 9 Remove No 13 bearing from the shaft by pulling it toward the mechanical seal and No 14 bearing from the shaft by pulling it toward the V pulley If a damaged bearing goes into a freewheeling condition the bearing case can be worn If there are signs of wear or damage on the bearing case surface that comes in contact with the bearing replace the bearing case too Clean...

Page 11: ...ow Add priming water or pumped up liquid to the casing Insufficient priming water The pump sucks air on the suction side Check the suction side and retighten the parts Rev up to the prescribed RPMs Rusty pump Contact your dealer to request repair Overhaul the pump The pump does not rotate Foreign object caught in the impeller Disassemble the pump to remove the foreign material The engine motor doe...

Page 12: ...mitsuwapump jp Inabe gun Mie Prefecture Japan 511 0251 Head office 3617 Sin Kurahara Yamada Toin chyo MITSUWA PUMP CO LTD MITSUWA PUMP CO LTD MITSUWA PUMP CO LTD MITSUWA PUMP CO LTD TEL 81 594 76 1100 FAX 81 594 76 1101 ...

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