Harrington-hoists-and-cranes AHM Hoist User Manual

Mini-Cat AIR POWERED CHAIN HOIST AH SERIES 250 and 500 Lb. Capacity Product Code and Serial Number  This equipment should

10 Table 2-4 Pendant Model Speeds, ft/min at 90 psi* Capacity (lbs.) Product Code UP DOWN Full Load No Load Full Load No Load 250 AH250P 42 (33)

11 Table 2-6 Manipulator Model Speeds, ft/min at 90 psi* Capacity (lbs.) Product Code UP DOWN Full Load No Load Full Load No Load 250 AH250M 41 (

12 2.3 Part Names Figure 2-4 AH250C and AH500C Cord Model Part Names Figure 2-5 AH250P and AH500P Pendant Model Part Names

13 Figure 2-6 AH250M and AH500M Manipulator Model Part Names

14 3.0 Pre-operational Procedures 3.1 Air Supply System Requirements 3.1.1  Pressure and Flow - Verify that the air supply system has ca

15 3.4 Filtration 3.4.1  The air entering the hoist inlet must not contain any particulate greater than 5 microns in size. Therefore, the ho

16 3.6.2  Supply line inside diameter - Pipes and hoses should be sized to accommodate the hoist’s airflow requirements. The inside diameter

17 3.8 Connecting Hoist to Air Supply 3.8.1  HAZARDOUS AIR PRESSURE IS PRESENT IN THE HOIST, IN THE SUPPLY OF COMPRESSED AIR TO THE HOIST, AN

18 3.9 Mounting the Hoist 3.9.1 Mini Trolley - Follow instructions below to install the trolley. Refer to Figure 3-6. 1) Remove the Top Hook Com

19 Figure 3-6 Diagram for Mini Trolley Installation 3.9.2 Manual Trolley - Follow instructions in Owner’s Manual provided with the trolley. 3.9.3

2 Table of Contents Section Page Number 1.0 Important Information and Warnings ……………………………………………………………………… 4 1.1 Te

20 Figure 3-7 Chain Container Installation 3.11 Non-Stationary Application 3.11.1 For applications such as rental fleets or construction sites w

21 Right-Hand Left-Hand Figure 3-8 Converting Manipulator Model Between Right and Left-Hand Operation. 3.13 Manipulator Model’s Bottom Hook

22 Standard Alternate/Extended Figure 3-9 Manipulator Model’s Bottom Hook Position 3.14 Preoperation Checks and Trial Operation 3.14.1 

23 3.14.6 If hoist is installed on a trolley, ensure that  trolley is properly installed on the beam, and  stops for the trolley are correctly

24 4.0 Operation 4.1 Introduction  DO NOT WALK UNDER A SUSPENDED LOAD  HOIST OPERATORS SHALL BE REQUIRED TO READ THE OPERATION SECT

25 The operation of an overhead hoist involves more than activating the hoist’s controls. Per the ANSI/ASME B30 standards, the use of an overhead ho

26  Improper operation of a hoist can create a potentially hazardous situation which, if not avoided, could result in minor or moderate injury

27 4.4 Controlling Hoist Speed 4.4.1 For the cord control, adjust the speed by varying the amount of pull on the cord. Refer to Figure 4-2. Figure

28 5.0 Inspection 5.1 General 5.1.1 The inspection procedure herein is based on ANSI/ASME B30.16. The following definitions are from ANSI/ASME B3

29 5.3 Frequent Inspection 5.3.1 Inspections should be made on a FREQUENT basis in accordance with Table 5-1, “Frequent Inspection.” Included in t

3 Section Page Number 5.0 Inspection ………………..………………………………………………………………………………... 28 5.1 General 5.2 Inspection C

30 5.5 Occasionally Used Hoists 5.5.1 Hoists that are used infrequently shall be inspected as follows prior to placing in service:  Hoist Idle Mo

31 Table 5-3 Hoist Inspection Methods and Criteria Item Method Criteria Action Hooks - Bent Shank or Neck Visual Shank and neck portions of hook

32 Table 5-3 Hoist Inspection Methods and Criteria Item Method Criteria Action Chain Separator Visual, Measure The Chain Separator should be fr

33 Table 5-4 Brake Disc Dimension Hoists Parts List Fig. No. “T” Dimension inch (mm) Standard Discard AH250C AH250P AH250M AH500C AH500P AH500M 7

34 Table 5-6 Top Hook & Bottom Hook Dimensions Dimensions K and U should be measured and recorded below prior to any use when the hook is first

35 6.0 Lubrication 6.1 Air Hoist Lubrication 6.1.1 See Section 3.0 for lubrication requirements. 6.1.2  Lubrication to the motor will be pr

36 7.0 Maintenance and Handling 7.1 Brake 7.1.1 The hoist brake is not adjustable. 7.1.2 Inspect the brake disc in accordance with Section 5.7, T

37 7.2 Load Chain 7.2.1 Lubrication and Cleaning  Clean the chain with an acid-free cleaning solution. The load chain should be kept clean and l

38 Figure 7-2 Load Chain Installation Diagram Figure 7-3 Chain Connections

39 7.3 Pendant and Manipulator 7.3.1 The following procedure covers the installation of the molded tubing version of the Pendant Hose (Parts List F

4 1.0 Important Information and Warnings 1.1 Terms and Summary This manual provides important information for personnel involved with the installat

40 Figure 7-5 3-Hose Pendant Connections 7.3.3 The following procedure covers the installation of the Coil Hose (Parts List Figure Number 202) on

41 Figure 7-6 Manipulator Hose Connections 7.4 Load Sheave Inspection 7.4.1 Perform this inspection by removing the chain separator and viewing

42 Figure 7-7 Load Sheave Inspection 7.5 Storage 7.5.1 Whenever the hoist is to be placed into storage, place extra lubricating oil into the air

43 8.0 Troubleshooting  HAZARDOUS AIR PRESSURE IS PRESENT IN THE HOIST, IN THE SUPPLY OF COMPRESSED AIR TO THE HOIST, AND IN CONNECTIONS BETW

44 Table 8-1 Troubleshooting Guide Symptom Cause Remedy Hoist continues running after pendant or cord is released Main Spool sticking Inject appro

45 9.0 Warranty Warranty explanation and terms. All products sold by Harrington Hoists, Inc. are warranted to be free from defects in material and

46 This Page Intentionally Left Blank

47 10.0 Parts List When ordering Parts, please provide the Hoist code number and serial number located on the Hoist nameplate (see Figure 10.1

10.1 Main Body 48 Figure 10-2 AH250 / AH500 Main Body

Main Body 49 Figure Number Name Parts Per Hoist Part Number 50 Motor Case 1 AH426205790 51 Rear Plate 1 AH426205180 52 Cylinder 1 AH42620

5  Equipment described herein is not designed for and MUST NOT be used for lifting, supporting, or transporting people, or for lifting or su

10.2 Valve Body 50 Figure 10-3 AH250 / AH500 Valve Body

Valve Body 51 Figure Number Name Parts Per Hoist Part Number 1 Main Spool 1 AH426205010 2 Valve Bush 1 AH426205780 3 Shuttle 1 AH42620587

10.3 Manipulator Control 52 Figure 10-4 AH250M / AH500M Manipulator Control

Manipulator Control 53 Figure Number Name Parts Per Hoist Part Number 12M Chain Basket CP 1 AH42621592C 17 Bucket Arm Assembly (pair) 1 pr.

10.4 Optional Components 54 Figure 10-5 Optional Components

Optional Components 55 Mini Trolley: Figure Number Name Parts Per Trolley Part Number 1 Name Plate C 1 ET25801525 2 Name Plate B 1

www.harringtonhoists.com Harrington Hoists, Inc. Harrington Hoists - Western Division 401 West End Avenue 2341

6  It is the responsibility of the owner/user to install, inspect, test, maintain, and operate a hoist in accordance with ANSI/ASME B30.16,

7 1.2 Warning Tags and Labels The warning tag illustrated below in Figure 1-1 is supplied with each hoist shipped from the factory. If the tag is n

8 2.0 Technical Information 2.1 Specifications 2.1.1 Product Code 2.1.2 Features and General Specifications: Weight/Size : Light weight and co

9 2.2 Speeds, Air Consumptions and Dimensions Table 2-2 Cord Model Speeds, ft/min at 90 psi* Capacity (lbs.) Product Code UP DOWN Full Load No Loa