Jlg 80SL Parts Manual Bedienungsanleitung

Illustrated Parts ManualModel80SL3121326October 15, 2013

1-4 80SL 3121326SECTION 1 FRAMEFIGURE 1-2. REAR AXLE INSTALLATION

6-14 80SL 3121326SECTION 6 HYDRAULIC157 to 158 Not Used159 2143409 1 Fitting, 90°160 2141503 4 Fitting, Bulkhead Union 161 2141506 4 Fitting, Bulkhead

3121326 80SL 6-15SECTION 6 HYDRAULIC432 2754446 2 Hose433 2754448 2 Hose435 2754450 4 Hose436 2754419 1 Hose437 2754443 1 Hose449 2754438 1 Hose450 27

6-16 80SL 3121326SECTION 6 HYDRAULIC0275609 Ref. ARMS HYDRAULIC COMPONENTS E1001 to 1002Not Used1003 2754478 1 Hose1004 2754526 1 HoseFIGURE 6-2. HYD

3121326 80SL 7-1SECTION 7ELECTRICAL

7-2 80SL 3121326SECTION 7 ELECTRICALFIGURE 7-1. ELECTRICAL SCHEMATIC

3121326 80SL 7-3SECTION 7 ELECTRICAL

7-4 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-5SECTION 7 ELECTRICAL

7-6 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-7SECTION 7 ELECTRICAL

3121326 80SL 1-5SECTION 1 FRAMEFIGURE 1-2. REAR AXLE INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275564 Ref. REAR AXLE INSTALLATION J1 01000

7-8 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-9SECTION 7 ELECTRICAL

7-10 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-11SECTION 7 ELECTRICAL

7-12 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-13SECTION 7 ELECTRICAL

7-14 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-15SECTION 7 ELECTRICAL

7-16 80SL 3121326SECTION 7 ELECTRICAL

3121326 80SL 7-17SECTION 7 ELECTRICAL

1-6 80SL 3121326SECTION 1 FRAMEFIGURE 1-3. WHEEL DRIVE INSTALLATION 103

7-18 80SL 3121326SECTION 7 ELECTRICALFIGURE 7-2. HARNESS COMPONENTS INSTALLATION

3121326 80SL 7-19SECTION 7 ELECTRICAL509506507505508OR506507PRIOR TOS/N 1200022194S/N 1200022194TO PRESENT201205213703701703708706708705702707PLATFORM

7-20 80SL 3121326SECTION 7 ELECTRICALFIGURE 7-2. HARNESS COMPONENTS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.E900066 Ref. MAIN TERMINAL BO

3121326 80SL 7-21SECTION 7 ELECTRICAL0275639 Ref. RECEPTACLES INSTALLATION H201 0760508 4 Bolt M5 x 16mm202 0760610 2 Bolt M6 x 20mm203 1 Box Options:

7-22 80SL 3121326SECTION 7 ELECTRICALE900042 Ref. PLATFORM CONSOLE JUMPER HARNESS E501 4460465 24 Socket, Female502 4460468 1 Cap, Dust503 4460492 1 C

3121326 80SL 7-23SECTION 7 ELECTRICAL0275662 Ref. ENGINE HARNESSES INSTALLATION LRef. Prior to S/N 1200021339901 to 942 Not Used943 1001105078 1 Harne

7-24 80SL 3121326SECTION 7 ELECTRICALFIGURE 7-2. HARNESS COMPONENTS INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 8-1SECTION 8DECALS

8-2 80SL 3121326SECTION 8 DECALSFIGURE 8-1. DECAL INSTALLATION

3121326 80SL 8-3SECTION 8 DECALS

3121326 80SL 1-7SECTION 1 FRAMEFIGURE 1-3. WHEEL DRIVE INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275566 Ref. WHEEL DRIVE INSTALLATION G1No

8-4 80SL 3121326SECTION 8 DECALSFIGURE 8-1. DECAL INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.Ref. DECAL INSTALLATION0275933 Ref. ANSI Spec H

3121326 80SL 8-5SECTION 8 DECALS33 1703464 1 Decal, AC Power34 1705717 1 Decal, Crushing (CSA Spec Only)35 1706098 1 Decal, Ether WarningFIGURE 8-1.

8-6 80SL 3121326SECTION 8 DECALSFIGURE 8-1. DECAL INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 9-1SECTION 9 RECOMMENDED SERVICEPARTS STOCKMODEL 80SLThe following list will service one machine (built to current production per date on

9-2 80SL 3121326SECTION 9 RECOMMENDED SERVICE PARTS STOCKMODEL 80SLThe following list will service one machine (built to current production per date o

3121326 80SL 10-1SECTION 10 SPECIAL OPTIONSNote: This list is to accommodate machines ordered with special equipment. Options may not be applicable t

10-2 80SL 3121326SECTION 10 SPECIAL OPTIONSNote: This list is to accommodate machines ordered with special equipment. Options may not be applicable to

PagePart Number PagePart Number PagePart NumberPagePart Number3121326 80SL 11-1SECTION 11 PART NUMBER INDEX0100011 ... 2-2001000

PagePart Number PagePart Number PagePart NumberPagePart Number11-2 80SL 3121326SECTION 11 PART NUMBER INDEX2171824 ... 6-7, 6-152171832

PagePart Number PagePart Number PagePart NumberPagePart Number3121326 80SL 11-3SECTION 11 PART NUMBER INDEX70000385 ...2-11, 9-170000513

1-8 80SL 3121326SECTION 1 FRAMEFIGURE 1-4. DRIVE MOTOR ASSEMBLY

PagePart Number PagePart Number PagePart NumberPagePart Number11-4 80SL 3121326SECTION 11 PART NUMBER INDEX8007894 ... 2-78007

PagePart Number PagePart Number PagePart NumberPagePart Number3121326 80SL 11-5SECTION 11 PART NUMBER INDEXS201598 ... 1-3S2015

PagePart Number PagePart Number PagePart NumberPagePart Number11-6 80SL 3121326SECTION 11 PART NUMBER INDEX

Corporate OfficeJLG Industries, Inc.1 JLG DriveMcConnellsburg PA. 17233-9533USA (717) 485-5161 (717) 485-6417JLG Worldwide LocationsJLG Industries (Au

3121326 80SL 1-9SECTION 1 FRAMEFIGURE 1-4. DRIVE MOTOR ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000443 Ref. DRIVE MOTOR ASSEMBLY D1 to 2 Not

1-10 80SL 3121326SECTION 1 FRAMEFIGURE 1-5. DRIVE HUB ASSEMBLY

3121326 80SL 1-11SECTION 1 FRAMEFIGURE 1-5. DRIVE HUB ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000219 Ref. DRIVE HUB ASSEMBLY - COMPLETE E1No

1-12 80SL 3121326SECTION 1 FRAME57 70000257 1 O-Ring58 70000258 1 Blocking Ring59 See Note 8 Screw (Note: Not Available - Purchase Locally)60 See Note

3121326 80SL 1-13SECTION 1 FRAMEFIGURE 1-5. DRIVE HUB ASSEMBLY (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

1-14 80SL 3121326SECTION 1 FRAMEFIGURE 1-6. LEVELING CYLINDERS INSTALLATION 4113112216 17 (FRONT)(REAR)21123246102021112131826278795151419(LEF

3121326 80SL 1-15SECTION 1 FRAMEFIGURE 1-6. LEVELING CYLINDERS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275571 Ref. LEVELING CYLINDERS IN

1-16 80SL 3121326SECTION 1 FRAMEFIGURE 1-7. LADDER INSTALLATION

3121326 80SL 1-17SECTION 1 FRAMEFIGURE 1-7. LADDER INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275570 Ref. LADDER INSTALLATION C1 4 Bolt M10

1-18 80SL 3121326SECTION 1 FRAMEFIGURE 1-7. LADDER INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 2-1SECTION 2GROUND CONTROLS

2-2 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-1. VALVE SIDE COMPONENTS INSTALLATION

3121326 80SL 2-3SECTION 2 GROUND CONTROLSFIGURE 2-1. VALVE SIDE COMPONENTS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275593 Ref. VALVE COM

2-4 80SL 3121326SECTION 2 GROUND CONTROLS0275720 Ref. GROUND CONTROLS INSTALLATION E201 0700815 4 Bolt M8 x 35mm202 0760610 6 Bolt M6 x 20mm203 076101

3121326 80SL 2-5SECTION 2 GROUND CONTROLS403 0760810 1 Bolt M8 x 20mm404 3290605 4 Locknut M6405 3290805 1 Locknut M8406 4031605 4 Capscrew M5 x 10mm4

3121326 80SL AREVISION LOGOctober 1, 2006 - Original Issue of Manual (Manual Edited to B/M 0010695 Revision 3)February 28, 2007 - Revised Manual (Manu

2-6 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-2. MAIN VALVE ASSEMBLY 2B22A1834916D1616A410511412413423616B16C1588888888888881415147

3121326 80SL 2-7SECTION 2 GROUND CONTROLSFIGURE 2-2. MAIN VALVE ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000121 MAIN CONTROL VALVE ASSEMBLY D

2-8 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-3. HAND PUMP ASSEMBLY

3121326 80SL 2-9SECTION 2 GROUND CONTROLSFIGURE 2-3. HAND PUMP ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000285 Ref. HAND PUMP ASSEMBLY E1 700

2-10 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-4. DRIVE VALVE ASSEMBLY

3121326 80SL 2-11SECTION 2 GROUND CONTROLSFIGURE 2-4. DRIVE VALVE ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000436 Ref. DRIVE VALVE ASSEMBLY D

2-12 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-5. MAIN TERMINAL BOX ASSEMBLY

3121326 80SL 2-13SECTION 2 GROUND CONTROLSFIGURE 2-5. MAIN TERMINAL BOX ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.E900063 Ref. MAIN TERMINAL BO

2-14 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-6. ENGINE SIDE COMPONENTS INSTALLATION

3121326 80SL 2-15SECTION 2 GROUND CONTROLSFIGURE 2-6. ENGINE SIDE COMPONENTS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275567 Ref. ENGINE

B 80SL 3121326REVISION LOG

2-16 80SL 3121326SECTION 2 GROUND CONTROLS126 1 Deutz Engine Assembly Options (See Figure 2-7 For Breakdown):H900071 Prior to S/N 12000165631001098950

3121326 80SL 2-17SECTION 2 GROUND CONTROLSFIGURE 2-6. ENGINE SIDE COMPONENTS INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

2-18 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-7. ENGINE INSTALLATION

3121326 80SL 2-19SECTION 2 GROUND CONTROLSFIGURE 2-7. ENGINE INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275662 Ref. ENGINE INSTALLATION K1N

2-20 80SL 3121326SECTION 2 GROUND CONTROLSRef. ENGINE ASSEMBLY H900071 Ref. Prior to S/N 1200016563 D1001098950 Ref. S/N 1200016563 to Present B101 07

3121326 80SL 2-21SECTION 2 GROUND CONTROLS212 70000059 1 Starter1 Solenoid, Starter7026608 Prior to S/N 120001656370001852 S/N 1200016563 to Present21

2-22 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-8. PISTON PUMP ASSEMBLY 1011102D105106107108112115116117120122125127123130131101B101A102A102

3121326 80SL 2-23SECTION 2 GROUND CONTROLSFIGURE 2-8. PISTON PUMP ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H000220 Ref. PISTON PUMP ASSEMBLY C

2-24 80SL 3121326SECTION 2 GROUND CONTROLS130 70003749 1 Plug131 70003340 1 Plug132 Not Used133 7024952 1 PlugFIGURE 2-8. PISTON PUMP ASSEMBLY (CONTI

3121326 80SL 2-25SECTION 2 GROUND CONTROLSFIGURE 2-8. PISTON PUMP ASSEMBLY (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL iTABLE OF CONTENTSFIGURE NO. TITLE PAGE NO.SECTION 1 - FRAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-26 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-9. HOODS INSTALLATION

3121326 80SL 2-27SECTION 2 GROUND CONTROLSFIGURE 2-9. HOODS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275568 Ref. HOODS INSTALLATION FRef

2-28 80SL 3121326SECTION 2 GROUND CONTROLSFIGURE 2-9. HOODS INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 3-1SECTION 3SCISSORS ARMS

3-2 80SL 3121326SECTION 3 SCISSORS ARMSFIGURE 3-1. SCISSORS ARMS INSTALLATION DDHDDJEEEEABAAGKCEEEEAF2362372382392402411011061131051031041051051101101

3121326 80SL 3-3SECTION 3 SCISSORS ARMS

3-4 80SL 3121326SECTION 3 SCISSORS ARMSFIGURE 3-1. SCISSORS ARMS INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275634 Ref. SCISSOR ARMS INSTAL

3121326 80SL 3-5SECTION 3 SCISSORS ARMS102 Not Used103 2754478 1 Hose104 2754526 1 Hose105 4031709 A/R Bolt M6 x 25mm106 4831900 12 Lockwasher M8107 E

3-6 80SL 3121326SECTION 3 SCISSORS ARMS239 S900248 1 Arm RH #4 Outer (See Items 401 to 404 for Breakdown)240 S900249 1 Arm RH #5 Outer (See Items 401

3121326 80SL 3-7SECTION 3 SCISSORS ARMS0275749 Ref. SCISSOR ARMS TO PLATFORM ATTACHMENT INSTALLATION E501 0701631 3 Bolt M16 x 120mm502 0761010 14 Bol

ii 80SL 3121326FIGURE NO. TITLE PAGE NO.TABLE OF CONTENTSSECTION 10 - SPECIAL OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-8 80SL 3121326SECTION 3 SCISSORS ARMSFIGURE 3-1. SCISSORS ARMS INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 4-1SECTION 4PLATFORM

4-2 80SL 3121326SECTION 4 PLATFORMFIGURE 4-1. PLATFORM AND ACCESSORIES INSTALLATION

3121326 80SL 4-3SECTION 4 PLATFORM

4-4 80SL 3121326SECTION 4 PLATFORMFIGURE 4-1. PLATFORM AND ACCESSORIES INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275640 Ref. PLATFORM &

3121326 80SL 4-5SECTION 4 PLATFORM0275638 Ref. RAILS INSTALLATION I101 0700615 1 Bolt M6 x 35mm102 0701029 8 Bolt M10 x 120mm103 0761228 8 Bolt M10 x

4-6 80SL 3121326SECTION 4 PLATFORM0275639 Ref. RECEPTACLES INSTALLATION H201 to 208 Not Used209 E000016 1 Connector, Strain Relief (was p/n 4460071)21

3121326 80SL 4-7SECTION 4 PLATFORMFIGURE 4-1. PLATFORM AND ACCESSORIES INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

4-8 80SL 3121326SECTION 4 PLATFORMFIGURE 4-2. PLATFORM CONSOLE ASSEMBLY & INSTALLATION

3121326 80SL 4-9SECTION 4 PLATFORMFIGURE 4-2. PLATFORM CONSOLE ASSEMBLY & INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.E900026 Ref. PLATFO

3121326 80SL 1-1SECTION 1 FRAME

4-10 80SL 3121326SECTION 4 PLATFORM107 4811900 4 Flatwasher M8108 H000371 1 ClampFIGURE 4-2. PLATFORM CONSOLE ASSEMBLY & INSTALLATION (CONTINUED)

3121326 80SL 4-11SECTION 4 PLATFORMFIGURE 4-2. PLATFORM CONSOLE ASSEMBLY & INSTALLATION (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

4-12 80SL 3121326SECTION 4 PLATFORMFIGURE 4-3. DRIVE/STEER CONTROLLER ASSEMBLY 5672341381910

3121326 80SL 4-13SECTION 4 PLATFORMFIGURE 4-3. DRIVE/STEER CONTROLLER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.E900025 Ref. DRIVE/STEER CONTRO

4-14 80SL 3121326SECTION 4 PLATFORMFIGURE 4-3. DRIVE/STEER CONTROLLER ASSEMBLY (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 5-1SECTION 5CYLINDER

5-2 80SL 3121326SECTION 5 CYLINDERFIGURE 5-1.AXLE LOCKOUT CYLINDER ASSEMBLY

3121326 80SL 5-3SECTION 5 CYLINDERFIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H900009 Ref. AXLE LOCKOUT CYLINDE

5-4 80SL 3121326SECTION 5 CYLINDERFIGURE 5-2. LIFT CYLINDER ASSEMBLY

3121326 80SL 5-5SECTION 5 CYLINDERFIGURE 5-2. LIFT CYLINDER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.0275635 Ref. LIFT CYLINDER & VALVE C

1-2 80SL 3121326SECTION 1 FRAMEFIGURE 1-1. STEERING INSTALLATION

5-6 80SL 3121326SECTION 5 CYLINDERFIGURE 5-3. LEVELING CYLINDER ASSEMBLY

3121326 80SL 5-7SECTION 5 CYLINDERFIGURE 5-3. LEVELING CYLINDER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV. Ref. LEVELING CYLINDER ASSEMBLYH9000

5-8 80SL 3121326SECTION 5 CYLINDERFIGURE 5-4. PLATFORM EXTENSION CYLINDER ASSEMBLY

3121326 80SL 5-9SECTION 5 CYLINDERFIGURE 5-4. PLATFORM EXTENSION CYLINDER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H900020 Ref. PLATFORM EXTEN

5-10 80SL 3121326SECTION 5 CYLINDERFIGURE 5-5. STEERING CYLINDER ASSEMBLY

3121326 80SL 5-11SECTION 5 CYLINDERFIGURE 5-5. STEERING CYLINDER ASSEMBLYITEM # PART NUMBER QTY. DESCRIPTION REV.H900014 Ref. STEERING CYLINDER ASSEM

5-12 80SL 3121326SECTION 5 CYLINDERFIGURE 5-5. STEERING CYLINDER ASSEMBLY (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

3121326 80SL 6-1SECTION 6HYDRAULIC

6-2 80SL 3121326SECTION 6 HYDRAULICFIGURE 6-1. HYDRAULIC DIAGRAM (PRIOR TO S/N 1200021263)

3121326 80SL 6-3SECTION 6 HYDRAULIC

3121326 80SL 1-3SECTION 1 FRAMEFIGURE 1-1. STEERING INSTALLATIONITEM # PART NUMBER QTY. DESCRIPTION REV.0275565 Ref. STEERING INSTALLATION F1Not Used

6-4 80SL 3121326SECTION 6 HYDRAULICFIGURE 6-1. HYDRAULIC DIAGRAM (PRIOR TO S/N 1200021263)ITEM # PART NUMBER QTY. DESCRIPTION REV.H900067 Ref. HYDRAU

3121326 80SL 6-5SECTION 6 HYDRAULIC61 2754452 1 Hose62 2754451 1 Hose63 2754445 1 Hose64 to 66 Not Used67 2754429 1 Hose68 2754441 1 Hose69 2 Hose Opt

6-6 80SL 3121326SECTION 6 HYDRAULIC132 to 146 Not Used147 2142754 2 Fitting, Straight148 to 149 Not Used150 1 Fitting Options:2142503 Prior to S/N 120

3121326 80SL 6-7SECTION 6 HYDRAULIC366 to 369 Not Used370 2144007 4 Fitting, Straight371 to 399 Not Used400 2754462 1 Hose408 2754436 1 Hose410 275441

6-8 80SL 3121326SECTION 6 HYDRAULIC821 2171832 1 Flange Kit (Includes Qty1 O-Ring & Qty 4 each Screws & Flatwashers)0275640 Ref. PLATFORM HYDR

3121326 80SL 6-9SECTION 6 HYDRAULICFIGURE 6-1. HYDRAULIC DIAGRAM (PRIOR TO S/N 1200021263) (CONTINUED)ITEM # PART NUMBER QTY. DESCRIPTION REV.

6-10 80SL 3121326SECTION 6 HYDRAULICFIGURE 6-2. HYDRAULIC DIAGRAM (S/N 1200021263 TO PRESENT)

3121326 80SL 6-11SECTION 6 HYDRAULIC

6-12 80SL 3121326SECTION 6 HYDRAULICFIGURE 6-2. HYDRAULIC DIAGRAM (S/N 1200021263 TO PRESENT)ITEM # PART NUMBER QTY. DESCRIPTION REV.H900067 Ref. HYD

3121326 80SL 6-13SECTION 6 HYDRAULIC62 2754451 1 Hose63 2754445 1 Hose64 to 66 Not Used67 2754429 1 Hose68 2754441 1 Hose69 2754435 2 Hose70 2754437 1