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INSTALLATION,OPERATION,MAINTENANCE,& PARTS LISTS MANUAL
MODEL 1715PL & 1721PL
ARM TYPE
PLATFORM CONVERSION HOISTS
IF INCORRECTLY USED, THIS EQUIPMENT CAN CAUSE SEVERE
INJURY. THOSE WHO USE AND MAINTAIN THE EQUIPMENT SHOULD
BE TRAINED IN ITS PROPER USE, WARNED OF ITS DANGERS, AND
SHOULD READ ENTIRE MANUAL BEFORE ATTEMPTING TO SET
UP, OPERATE, ADJUST OR SERVICE THE EQUIPMENT. KEEP THIS
MANUAL FOR FUTURE REFERENCE.
DURACLASS
GENERAL OFFICES: TISHOMINGO, MS
PHONE:
CABLE ADDRESS:
TED 72050-1182
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Summary of Contents for DURACLASS 1715PL
- Page 1 INSTALLATION,OPERATION,MAINTENANCE,& PARTS LISTS MANUAL MODEL 1715PL & 1721PL ARM TYPE PLATFORM CONVERSION HOISTS IF INCORRECTLY USED, THIS EQUIPMENT CAN CAUSE SEVERE INJURY. THOSE WHO USE AND MAINTAIN THE EQUIPMENT SHOULD BE TRAINED IN ITS PROPER USE, WARNED OF ITS DANGERS, AND SHOULD READ ENTIRE MANUAL BEFORE ATTEMPTING TO SET UP, OPERATE, ADJUST OR SERVICE THE EQUIPMENT.
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Page 2: Important Safety Notice & Warranty
This warranty is expressly limited to the replacement or repair at its factory in Tishomin- go, MS. or such other place as DuraClass may designate, of such parts of such products as shall be returned to it with transportation charges prepaid and which shall appear to its satisfaction, upon inspection at such factory or other place designated by it, to have been defective in material or workmanship. -
Page 3: Table Of Contents
PARTS INFORMATION Instructions for Ordering Parts....................19 Hydraulic Pump (A219C1411 & A219C1412)................20 Hoist Frame, 1715PL (A239C442)....................22 Hoist Frame, 1721PL (A239C479)....................23 Hydraulic Cylinder, 1715 & 1715PL (A1C3906)..............24 Hydraulic Cylinder, 1721 & 1721PL (A1C3907)..............25 Body Locking Device (A53C455).....................26 Lube Chart..........................27 Body Prop Installation........................28 Valve Control Safety Lock......................29... -
Page 4: Decal Placement
DECAL PLACEMENT... - Page 5 DECAL PLACEMENT ARM HOIST & BODY INSTALLATION DECAL PLACEMENT & SERIAL NUMBER PLATES LOCATION BEFORE PLACING THE DUMP UNIT INTO OPERATION, THESE DECALS MUST BE PLACED IN THEIR PROPER POSITION. CAUTION DECAL #212A1103 IS 3-1/2” X 9”. IT MUST BE PLACED ON CHASSIS FRAME AS SHOWN - ONE ON EACH SIDE.
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Page 6: Section 1 - General Information
These are twin arm type hoists and are designed for use with wood or steel platform bodies. The 1715PL hoist is used with bodies from 10' (3.048 m) to 15' (4.572 m) long, and the 1721 PL hoist is used with bodies 11' (3.353 m) to 17' (5.182 m) long. These are for single axle chassis installations and the dumping angle is 45°. - Page 7 32" (813 mm) behind centerline of rear axle for 1715PL hoist and 33-1/8" (841 mm) for 1721PL hoist. Also assumes level loading, with center of gravity at midpoint of body.
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Page 8: Section 2 - Installation Instructions
SECTION 2 — INSTALLATION INSTRUCTIONS Refer to mounting drawing 701D3499 for the 1715PL hoist and 701D3501 for the 1721PL hoist and perform the following. CAUTION REVIEW MANUAL BEFORE STARTING INSTALLATION. STUDY THE JOB CAREFULLY TO DETERMINE ALL OF THE HAZARDS PRESENT AND SEE THAT ALL NECESSARY SAFEGUARDS OR SAFETY DEVICES ARE PROVIDED TO PROTECT ALL PERSONNEL AND EQUIPMENT INVOLVED. -
Page 9: Remount Body & Body Guides
SECTION 2 — INSTALLATION INSTRUCTIONS 2.5 REMOUNT BODY AND BODY GUIDES Install Z Iongmembers. Cut off front of longmemeber, if necessary, to hold 3” (76.20 mm) clearance between longmember and back of cab. Mount Iongmembers to outside (as shown), if possible. If longmember are mounted to inside, hinges must be shimmed so that side move- ment of long members is restricted to 1/8”... - Page 10 SECTION 2 — INSTALLATION INSTRUCTIONS FIGURE 2 - DRIVE LINE RECOMMENDATIONS FIGURE 3 - SCHEMATIC OF HYDRAULIC CIRCUIT...
- Page 11 WARNING DO NOT OPERATE OR SERVICE THIS MACHINE UNTIL YOU HAVE READ AND UNDERSTAND THE OPERATION AND MAINTENANCE MANUAL SUPPLIED WITH THIS EQUIPMENT. MANUALS CAN ALSO BE OBTAINED FROM A DURACLASS DISTRIBUTOR. 212A735 DURACLASS, TISHOMINGO,MS. FIGURE 5 - WARNING DECAL...
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Page 12: Section 3 - Operation
SECTION 3 — OPERATION 3.1 GENERAL Before operating this hoist, see capacity chart (Figure 1) and read warningand caution de- cals on instrument panel, body, and hoist. See goldenrod sheet B72952-1275 for decals and placement. CAUTION WHEN OPERATING DO NOT STAND IN, MOVE THROUGH, OR ALLOW ANYONE ELSE TO STAND IN OR MOVE THROUGH THE AREA THAT YOUR HOIST OPERATES AND PASSES THROUGH, ORINTO AN AREA THAT AN UPSET... -
Page 13: Hoist Operating Instructions
SECTION 3 — OPERATION CAUTION DISENGAGE PTO WHEN HOIST IS NOT IN USE OR WHEN TRAV- ELING ON THE HIGHWAY. DO NOT MOVE TRUCK (LOADED OR UNLOADED) UNLESS THE BODY IS LOWERED AND RESTING ON TRUCK FRAME. 3.4 HOIST OPERATING INSTRUCTIONS (For schematic of valve positions, see Figure 4.) To Raise Body —... -
Page 14: Section 4 -Maintenance
SECTION 4 —MAINTENANCE 4.1 GENERAL Maintenance personnel responsible for the upkeep of this equipment should possess a basic understanding of the equipment and normal sequence of operation. Refer to Sec- tions 1 and 3 of this manual. Maintenance discussed in this section is divided into two parts — Preventive Mainte- nance and Corrective Maintenance (Trouble Shooting). -
Page 15: Lubrication
SECTION 4 —MAINTENANCE LUBRICATION The hoist should be lubricated at least once a week. Use same grease as recommend- ed for chassis. Lubrication points are as follows: Rear hinges........1 fitting each hinge Lever arm........2 fittings Link..........2 fittings each link Cylinder upper end......1 fitting Cylinder lower end...... - Page 16 SECTION 4 —MAINTENANCE TROUBLE CHART Trouble Cause Remedy 1 A) Insufficient oil in system. 1) Failure to raise 1 A) Add oil to cylinder to load. proper level. 1 B) Air in system. 1 B) Vent air from system. 1C) Pinched hydraulic hose. 1 C) Locate and relieve pinching.
- Page 17 SECTION 4 —MAINTENANCE 2) (Cont.) 2C) Oil too heavy. 2C) Install proper oil for expected temperature. 2D) Pump operated at high 2D) Operate pump at slower speed in cold weather. speed. 3) Body raises unsteadily, 3A) Air in system. 3A) Check suction hoses and fittings for leaks;...
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Page 18: Section 5 -Repairs
DISENGAGE PTO AT SUCH TIME. 5.1 CYLINDER For any major repair the cylinder should be returned to the DuraClass distributor. Repairs in the field should be limited to the replacement of rod packing and piston rings. To replace packing raise body, observing WARNING rules above, unscrew pack- ing nut, remove present packing and install new packing set. -
Page 19: Parts Information
INSTRUCTIONS FOR ORDERING REPLACEMENT PARTS For ease in ordering of DuraClass parts, a system of part and assembly numbers is used. It's important these numbers be used wherever and whenever possible. All parts listed on the drawings, repair parts sheets or exploded views show parts in their proper relationship. -
Page 20: Hydraulic Pump (A219C1411 & A219C1412)
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST HYDRAULIC PUMP-VALVE ASSEMBLY DURACLASS TISHOMINGO, MS... - Page 21 DETENT KIT K252-9094 (OPTIONAL) AVAILABLE FOR FIELD INSTALLATION ONLY. *A6B3009 Housing & Spool Assembly (Item 2) is a matched set and is only sold as such due to close tolerances. Items 9, 12, & 13 may be purchased separately. DURACLASS TISHOMINGO, MS...
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Page 22: Hoist Frame, 1715Pl (A239C442)
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST A239C442 HOIST FRAME FOR DURACLASS MODEL 1715PL CONVERSION HOIST ITEM DURACLASS DESCRIPTION OF PART PART NO. REQD. 8A5695 Shaft — Lever Arm A37D7167 Frame — Hoist 46A168 Plug — Vent 48Al254 Pin — Link Arm 48A1608 Pin —... -
Page 23: Hoist Frame, 1721Pl (A239C479)
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST HYDRAULIC HOIST ASSEMBLY FOR DURACLASS MODEL 1721-PL CONVERSION HOIST HOIST ASSEMBLY NO............A239C479 FOR HOIST MODEL..............1721-PL ITEM NO. DESCRIPTION OF PART DuraClass PART NO. Arm Assembly A93C1765 Cylinder Assembly Al C3907 Frame — Hoist A37D7736 Link (2 Reqd.) -
Page 24: Hydraulic Cylinder, 1715 & 1715Pl (A1C3906)
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST A1C3906 HYDRAULIC CYLINDER A1C3906 HYDRAULIC CYLINDER FOR MODELS 1715 & 1715PL HOISTS ITEM NO. DURACLASS DESCRIPTION OF NO REQD. PART NO. PART A27C3787 Piston Rod Assembly A85B34 Barrell Assembly 10C4188 Head 15A2405 Spacer 23B527 Nut —... -
Page 25: Hydraulic Cylinder, 1721 & 1721Pl (A1C3907)
*NOT ILLUSTRATED — NOT A PART OF COMPLETE ASSEMBLY — ORDER SEPARATE ORDER BY PART NUMBER — NOT BY ITEM NUMBER 43.5" (1104 mm) — CENTER TO CENTER, CLOSED 65" (1651 mm) —CENTER TO CENTER, FULLY EXTENDED 7.1" (180mm) — BORE (BARRELL) DURACLASS TISHOMINGO, MS (REPLACES R73265-676) FORM R73265-1276... -
Page 26: Body Locking Device (A53C455)
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST A53C455 BODY LOCKING DEVICE FOR 1715PL AND 1721PL CONVERSION HOISTS ITEM DURACLASS DESCRIPTION OF PART PART NO. REQD. 4A772 Link — Operating 9A950 Bushing 13A3095 Lever — Operating 19A712 Spring 21A2001 Stop — Operating Lever... -
Page 27: Lube Chart
LUBRICATION CHART DURACLASS TISHOMINGO, MS... -
Page 28: Body Prop Installation
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST BODY PROP INSTALLATION DURACLASS TISHOMINGO, MS FORM D73612-379... -
Page 29: Valve Control Safety Lock
DURACLASS TRUCK EQUIPMENT DIVISION REPLACEMENT PARTS LIST VALVE CONTROL SAFETY LOCK DURACLASS TISHOMINGO, MS FORM D72044-978... - Page 30 HEX. HD. CAPSCREW 3/8”-16 NC X 1-1/2” FS-230900 SELF LOCK NUT 3/8” -16 NC 254-3319 SWITCH FS-079409 HEX. HD. CAPSCREW # 10-32 X 3/8” FS-550400 LOCKWASHER # 10 263-65-6 WIRE 263-63-240 WIRE Figure 6. Body Raised Switch DURACLASS TISHOMINGO, MS...
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Page 31: Controls Installation (701E3029)
QTY. 211-2191 BRACKET FS-079415 HEX. HD. CAP- SCREW # 10-32 X 3/4 FS-550400 LOCKWASHER #10 FS-280400 HEX.NUT # 10-32 115-784 INDICATOR 263-63-240 WIRE 263-64-60 WIRE 108-1180 CONNECTOR *Also shown in figure 6 Figure 7. Body Raised Indicator DURACLASS TISHOMINGO, MS... -
Page 32: Mounting Drawing, 1715 (701D3499)
Mount back-up alarm as shown below using existing holes in bracket on rear hinge frame. ITEM PART NO DESCRIPTION 108-3991 BACK-UP ALARM CAPSCREW 1/4” -20 NC X 3/4 LOCK NUT 1/4” -20 NC GROMMET 272-2362 WIRE-RED (36” L.G.) WIRE-BLACK (6” L.G.) WIRE CONNECTOR Figure 8. Back-Up Alarm DURACLASS TISHOMINGO, MS... -
Page 33: Mounting Drawing, 1721
IMPORTANT OPERATOR - MAINTENANCE INSTRUCTIONS FOR ALL DURACLASS FRONT MOUNT TELESCOPIC, ARM TYPE AND CONVERSION H0ISTS. 212A1104 CAUTION DECAL (1 7/8" X 4 1/2") PLACE IN SAME AREA AS 212A735 DECAL IN- 212A1103 CAUTION SIDE CAB ON DASH DECAL (3 1/2" X 9") PANEL. -
Page 34: Mounting Drawing, Body Holddown 1715 & 1721, (701D3512)
PLACE TWO 4" X 4"'S RAILROAD TIE OR APPROX. 5 FT LG. WOOD PIECE OF BETWEEN TANDEM APROXIMATE SIZE TIRES AND BLOCK (6" X 6" X 5 FT) TO SECURELY AGAINST EXTEND APPROX. BODY UNDERSTRUC- ONE FOOT EACH TURE. SIDE OF FRAME. ALTERNATE BLOCKING METHODS B72952-1275...
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