Ingersoll-Rand MHP3238 Скачать руководство пользователя страница 1 | Manualshive

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Product Maintenance

Information

Air Chain Hoist

MLK Series

(Dwg. MHP0456)

Save These Instructions

R

Form 47099007

Edition 3

January 2014

©

2014 Ingersoll Rand

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Содержание MHP3238

Страница 1: ...Product Maintenance Information Air Chain Hoist MLK Series Dwg MHP0456 Save These Instructions R Form 47099007 Edition 3 January 2014 2014 Ingersoll Rand ...

Страница 2: ...pplication Table 2 Inspection Classifications Conditions Usage Load Characterization Normal 25 duty cycle Regular Heavy 25 duty cycle Usually medium loads frequent max loads Severe Loads normally less than 50 of rated load with running time up to continuous or Loads normally above 50 of rated load with running time up to 50 of work period Maintain written records of periodic inspections to provide...

Страница 3: ...usually subject to maximumoralmost maximum loads 400 Operation specifics may warrant modification to these intervals n Periodic Maintenance While the information in the preceding section is used for major service intervals many items need to be checked at greater frequency depending on usage The following information is provided for that purpose but it is important to note that the information in ...

Страница 4: ...Housings Hooks Top Actual Hook Throat Width ________ inches ________ mm Refer to Table 4 Load Chain Normal and Discard Length on page 2 for minimum maximum acceptable widths Hook Twist maximum 10 Hook Crack Test Method Used Dye Penetrant ________ Magnetic Particle ________ Other ________ Bottom Actual Hook Throat Width ________ inches ________ mm Refer to Table 4 Load Chain Normal and Discard Leng...

Страница 5: ... inlet Refer to SPECIFICATIONS section for correct SCFM cu m min and PSIG bar Main air valve travel is restricted Check throttle lever and linkage for free movement Exhaust restricted Inspect vents and replace mufflers Motor is damaged Check for worn motor bearings vanes or vane springs Reduced speed and or capacity Old style hoists have filter in inlet nipple which may be plugged restricting air ...

Страница 6: ...nsiderably reduced Further the chain will no longer fit the chain wheel properly greatly increasing the chance of malfunction and chain breakage One chain wheel will outlast several chains if the chain is replaced as recommended The use of a worn chain will cause the chain wheel to wear rapidly If the chain is visibly damaged examine the chain wheel and chain guard Install a new chain wheel if the...

Страница 7: ...sts reeve the load end of the new chain around the pocket wheel in the sheave block assembly making certain the chain is not twisted between the hoist and sheave block NOTICE The new chain must have an EVEN number of links when the hoist has two chain falls and uses a bottom sheave block 8 Keepingtheloadendofthechainstraight attachtheendlinktothechainanchor bracket 9 Lubricate the chain as instruc...

Страница 8: ...the limit actuator retaining pin 52 and remove the limit actuator 51 2 Drive out the throttle lever retaining pin 54 3 Grasp the square end of the throttle shaft 50 and withdraw it from the Hoist 4 Unscrew the chain guide screws 11 and remove the chain guide 10 n Disassembly of the Chain Wheel and Chain Guard Refer to Dwgs MHP3239 and MHP3259 1 Remove the brake mechanism Refer to disassembly of th...

Страница 9: ...Plate 9 Place the plate 103 in the recess of the spring and piston housing and install the plate screws 104 at 2 8 3 4 Nm 25 30 in lbs torque Piston Nut Piston Pressure Plate Screw Pressure Plate 0 006 to 0 012 in 0 15 to 0 30 mm Dwg MHP0488 n Assembly of Valve Chest Refer to Dwgs MHP3238 MHP3241 and MHP3245 1 If the valve chest cover pins 32 were removed install them in the bottom of the valve ch...

Страница 10: ...e makingcertainthatthesmallflapperisproperlypositioned in the recess between the two ports CAUTION If the valve chest gasket is flipped over the flapper will not be in the recess between the two ports and the brake will not release 19 Center the two round rubber discs in corresponding recesses in the valve chest plate 20 Place the assembled valve chest 14 on the valve chest gasket and install the ...

Страница 11: ...SERVICE NOTES Form 47099007 Edition 3 11 ...

Страница 12: ...R www ingersollrandproducts com ...

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