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Save These Instructions

Edition 5

November 2021

CCN 04615308

Chain Hoists

Series 7700-E and 7700-ET

y

I

n

stallation, Operation and

Maintenance

Summary of Contents for 7700-E Series

Page 1: ...Save These Instructions Edition 5 November 2021 CCN 04615308 Chain Hoists Series 7700 E and 7700 ET y Installation Operation and Maintenance...

Page 2: ...ownloaded from ingersollrand com The use of other than genuine Ingersoll Rand replacement parts may result in safety hazards decreased performance and increased maintenance and will invalidate all war...

Page 3: ...n 13 Installation 13 Brake Adjustment 14 Disassembly and Assembly 15 Removal of Hoist 15 Head Section 15 Brake and Gearing Section 15 Motor Section 15 Housing Section 15 Typical Cross Section 17 Head...

Page 4: ...ntrol 30 Spark Resistant Hoist Section 32 Load Chain 33 Zinc Plated Steel Link Chain 37708 33 Accessories Section 34 Piped Exhaust 34 Troubleshooting 35 Service Kits 36 Bullard Snap Hooks 36 Hose Carr...

Page 5: ...s D flange FXXA 2 Hand Geared Trolley universal wheels A flange FXXD 2 Hand Geared Trolley universal wheels D flange HA Vane Motor Powered Trolley universal wheels A flange HD Vane Motor Powered Troll...

Page 6: ...rs must be equally distributed on the shaft outside the trolley side plates at each side between the side plates and lock nuts Figure 1 p 7 When installing the trolley on the beam be certain side plat...

Page 7: ...OF SPACERS NO EQUAL OF SPACERS NO EQUAL OF SPACERS SIDE PLATES MUST BE VERTICAL SIDE PLATES MUST BE VERTICAL HOOK ON TROLLEY MOUNTING PENDANT CYLINDER ASSY 2 45801 HOSE TO DOWN LEVER AIR INLET ADAPTER...

Page 8: ...and re lubricated with greater frequency to remove grit sand and other contaminants Oil Reservoir in head should be filled with spindle oil 29665 after each 40 hours of operation Inject Grease 33153 2...

Page 9: ...jerking load when lifting Be certain that safety latch on load hook is properly closed On 1 ton link chain models to avoid jamming of chain in lower block allow only sufficient slack in chain to perm...

Page 10: ...T WITH CARE REFER TO MHP3410 p 10 Safe and efficient operation of your ARO hoist can be attained by observing proper operating inspection and maintenance procedures Allow only competent and qualified...

Page 11: ...of elongation of the chain It is inferred ONLY that when said elongation is evident the chain must be replaced Other factors such as those mentioned as a visual check may render chain unsafe long bef...

Page 12: ...led with reasonable care when servicing Excessive pressure exerted by a holding device may cause distortion of a part Apply pressure evenly when disassembling or assembling parts which have a press fi...

Page 13: ...alling Load Chain MHP3428 Installation LINK CHAIN MODELS Position hoist in a vise or other suitable holding device Figure 7 p 13 and remove housing cap brake spring and brake shoes Turn brake wheel by...

Page 14: ...nd with rated load attached to lower hook Operate hoist to raise load applying slight pressure to pendant control If load starts to lower before it is raised by motor tighten brake until no slippage i...

Page 15: ...hereby making it unnecessary to re time gear 34022 with throttle valves see Figure 10 p 16 To remove control rod with head remove roll pin Y178 55 from control arm 37719 remove roll pin Y178 60 from b...

Page 16: ...Y WITH ENDS OF BU SHING NOTE VALVE BODY MUST BE INS TALLED WITH IDENTIFICATION MARK AS SHOWN POSITION CONTROL ARM PARALLEL WITH OPENING DROP GEAR 34030 INTO PLACE AND SECURE WITH SHAFT 34025 AND LOCK...

Page 17: ...432 400 LB 1 4 TON 800 1600 LB 1 2 1 TON 800 LB 1 2 TON LINK CHAIN ROLLER CHAIN 400 800 LB 1 4 1 2 TON LOWER BLOCK LINK CHAIN LOWER BLOCK ROLLER CHAIN 1600 LB 1 TON E ET D Di is sa as ss se em mb bl l...

Page 18: ...ull off swivel 46839 exposing O rings Y325 115 and swivel body 33314 6 To remove oilite casting 33190 remove oil screw 30747 and washer 31389 on side of head Insert screwdriver into opening and remove...

Page 19: ...ED WITH 389 11 END PLATE SEAL 37706 SCREW 2 38907 SCREW 4 Y99 41 WASHER 4 30997 END PLATE 38911 INCLUDES BRACKE T 38904 1 AND ROLL PIN Y178 43 NOT SHOWN GEARING ASSEMBLY 41618 1 4 TON GEAR BEARING ASS...

Page 20: ...stment p 14 Motor Section Figure 14 MHP3435 INCLUDES Y178 73 ROLL PIN 1 8 ton Cylinder 49171 NOT INCLUDED IN MOTOR ASSEMBLY 33277 KEY 33373 SPINDLE 33235 BEARING PAIRED Y325 154 O RING 33284 END PLATE...

Page 21: ...CONTROL ARM 37719 WASHER 2 37587 BOLT 41625 NUT Y109 524 ANCHOR BRACKET 41624 LINK CHAIN HOIST USED WITH 1 TON MODELS ONLY ROLLER CHAIN HOIST USED WITH 1 TON MODELS ONLY ANCHOR BOLT 2 37586 WASHER 2 3...

Page 22: ...ntrol rod 34021 and secure with roll pin Y178 60 7 Assemble hangers 37585 and control arm 37719 to housing Note Assemble control arm in housing with arms for mounting control chains pointing towards a...

Page 23: ...2 To disassemble hook assembly drive out roll pin Yl78 122 from collar 34321 3 Removing collar will release steel balls and bracket from hook and latch assembly Assembly 1 To assemble steel balls to...

Page 24: ...ssembly 1 Remove connecting link 33363 Remove pin 36260 releasing connector 36259 2 To disconnect hook from bucket swivel 35009 drive out roll pins Y178 114 and Y178 77 releasing collar 35010 and stee...

Page 25: ...connector 34989 2 To disconnect hook from bucket swivel 35019 drive out roll pins Y178 114 and Y178 77 releasing collar 35010 and steel balls Y16 6 Assembly 1 Assemble steel balls Y16 6 to collar 3501...

Page 26: ...NT INCLUDED WITH 45378 SHROUD 45367 45362 1 2 45378 2 45280 1500 45366 STEEL 45371 BRONZE 45372 Disassembly 1 Remove screw Y99 43 and two 2 screws Y99 47 lock washers Y14 416 and nuts Y107 4 Z 2 Pull...

Page 27: ...E TABLE HOOK ASSEMBLY SEE TABLE SLEEVE 45368 THRUST BEARING 42089 WASHER 3 Y14 416 SCREW 2 Y99 47 SHEEVE 45364 BEARING 2 42406 SCREW Y99 43 LOWER BLOCK ASSEMBLY HOOK ASSEMBLY SHROUD CAPACITY LABEL HOO...

Page 28: ...ded side towards sprocket 3 Assemble sprocket and hook into one half of shroud insuring thrust bearing and race are properly seated in shroud 4 Feed load chain around sheave C CA AU UT TI IO ON N Ensu...

Page 29: ...ndant Control 3 Hose System Disassembly 1 To remove from hoist shut off air and disconnect hoses from cylinder assemblies and from head 2 Remove U bracket 33989 from head releasing cable 3 To disassem...

Page 30: ...ected to cylinder on left hand side of head Hose to UP side of control must be connected to right hand side of the head Figure 22 40004 5 Pull Chain Control Assembly MHP3443 INCLUDED WITH 44806 CONTRO...

Page 31: ...elow IF HOSE W IS CUT OR RUPTURED TO LOWER LOAD Load may be lowered by manually operating control arm Pull down on control arm at B See WARNING note below IF HOSE X IS CUT OR RUPTURED TO LOWER LOAD Lo...

Page 32: ...ing rates of lift and descent 550 LB CAPACITY HOISTS Rate of lift with maximum throttle opening with a 500 lb load shall be 50 ft min maximum Rate of descent with maximum throttle opening and a 500 lb...

Page 33: ...oists order lift footage and add one extra foot for assembly For 1500 lb capacity hoists order twice the lift footage and two extra feet for assembly and specify by corresponding dash number Example 3...

Page 34: ...and add with piped exhaust Figure 26 MHP3449 N D P U ADAPTER 46211 SCREEN 31648 SCREEN 46072 LOCK WASHER 6 Y14 10 CAP SCREW 6 Y154 54 VALVE BODY 37704 O RING Y325 19 LOCK SCREW 34024 SHAFT 34025 GEAR...

Page 35: ...1 Excessive load 2 Worn or oily brake linings 3 Proper brake adjustment 4 Proper timing of gears in head Hoist loses power check for 1 Sufficient air pressure 2 Clogged air intake screen 3 Clogged muf...

Page 36: ...ice Kit No 41336 Qty Part No Description 1 37571 Pocket Wheel 1 35861 Chain Guide 4 33330 Fasteners Bullard Snap Hooks 35205 1 Lower Hook Assembly for 1 4 and 1 2 Ton ROLLER CHAIN only Includes Bucket...

Page 37: ...MHP3452 43230 RESTRAINING CABLE 1 4 DIA x 2 FT LONG 43232 CLAMP 2 43231 Restraining Cable Assembly For use as an added safety precaution in hoist suspension Insert cable through hole provided in housi...

Page 38: ...Y12 104 C 4 Y14 4C 4 Y14 4C 4 37602 4 LINKS TYP 45095030 TO BE INSTALLED IH 4TR LINK OF EACH STRAND AND BASKET LENGTH BASKET LENGTH 72705 38305 38305 SATMP ASH NO YATH DASH NO N PERMANENT WHITE INK 3...

Page 39: ...N No ot te es s...

Page 40: ...ingersollrand com 2021 Ingersoll Rand...

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