JLG 4394RT Parts Manual

5 (2)

Illustrated Parts Manual

Models 3394RT & 4394RT

Prior to

SN 0200191606

P/N

3121836

February 7, 2014

REVISION LOG

NOTE: For Machines with SN 0200186972, 0200187002 & 0200187013 refer to Illustrated Parts Manual p/n 3121250. These Machines are built to B/M 0010583 Revision 56 or higher specs.

June 1, 2002 - Original Issue Of Manual (Manual edited to B/M 0010583 Revision 4)

November 1, 2002 - Revised Manual (Manual edited to B/M 0010583 Revision 8)

March 6, 2003 - Revised Manual (Manual edited to B/M 0010583 Revision 10)

October 6, 2003 - Revised Manual (Manual edited to B/M 0010583 Revision 19)

May 14, 2004 - Revised Manual (Manual edited to B/M 0010583 Revision 27)

September 1, 2004 - Revised Manual (Manual edited to B/M 0010583 Revision 29)

January 24, 2005 - Revised Manual (Manual edited to B/M 0010583 Revision 32)

December 13, 2005 - Revised Manual (Manual edited to B/M 0010583 Revision 43)

April 27, 2006 - Revised Manual (Manual edited to B/M 0010583 Revision 45)

November 14, 2006 - Revised Manual (Manual edited to B/M 0010583 Revision 47)

April 15, 2007 - Revised Manual (Manual edited to B/M 0010583 Revision 51)

August 1, 2007 - Revised Manual (Manual edited to B/M 0010583 Revision 51)

November 30, 2007 - Revised Manual (Manual edited to B/M 0010583 Revision 52)

January 31, 2008 - Revised Manual (Manual edited to B/M 0010583 Revision 55)

October 15, 2008 - Revised Manual (Manual edited to B/M 0010583 Revision 55)

January 1, 2009 - Revised Manual

June 1, 2009 - Revised Manual

October 1, 2010 - Revised Manual

June 16, 2011 - Revised Manual

September 22, 2011 - Revised Manual

February 14, 2012 - Revised Manual

June 27, 2012 - Revised Manual

September 7, 2012 - Revised Manual

January 21, 2013 - Revised Manual

April 30, 2013 - Revised Manual

July 22, 2013 - Revised Manual

October 14, 2013 - Revised Manual

February 7, 2014 - Revised Manual

3121836

3394RT & 4394RT

A

REVISION LOG

B

3394RT & 4394RT

3121836

TABLE OF CONTENTS

FIGURE NO.

TITLE

PAGE NO.

SECTION 1 - FRAME . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . .1-1

1-1 AXLE AND STEERING INSTALLATION - 2WD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1-2 AXLE AND STEERING INSTALLATION - 4WD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 1-3 TIRE AND WHEEL DRIVE INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 1-4 DRIVE MOTOR/HUB ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 1-5 BEACON LIGHT AND 4WD VALVE INSTALLATIONS (FRAME MOUNTED) . . . . . . . . 1-16 1-6 LEVELING JACKS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

SECTION 2 - GROUND CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

2-1 CONTROL VALVES INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2-2 MAIN CONTROL VALVE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2-3 ENGINE INSTALLATION (DEUTZ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2-4 GENERATOR INSTALLATION (DEUTZ ENGINE OPTIONS) . . . . . . . . . . . . . . . . . . . . 2-16 2-5 DRIVE PUMP SUB-ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20 2-6 2WD PISTON PUMP ASSEMBLY (SINGLE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 2-7 4WD PISTON PUMP ASSEMBLY (TANDEM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 2-8 GEAR PUMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32 2-9 AUXILIARY PUMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34 2-10 TANKS, ALARM AND HORN INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38 2-11 GROUND CONTROL BOX INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42 2-12 HOODS AND LADDERS INSTALLATIONS (PRIOR TO SN 0200116736) . . . . . . . . . . 2-46 2-13 HOODS AND LADDERS INSTALLATIONS (SN 0200116736 TO SN 0200191606) . . . 2-52

SECTION 3 - SCISSORS ARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

3-1

SCISSORS ARMS INSTALLATION (3394RT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2

3-2

SCISSORS ARMS INSTALLATION (4394RT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-8

3-3

ARM GUARDS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-14

SECTION 4 - PLATFORM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

4-1 PLATFORM ATTACH AND MODULE INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4-2 MANUAL SINGLE DECK EXTENSION AND PLATFORM ASSEMBLY . . . . . . . . . . . . . 4-4 4-3 MANUAL DUAL DECK EXTENSION AND PLATFORM ASSEMBLY . . . . . . . . . . . . . . . 4-8 4-4 POWER DECK EXTENSION AND PLATFORM ASSEMBLY . . . . . . . . . . . . . . . . . . . . . 4-12 4-5 RAILS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 4-6 PLATFORM CONSOLE BOX ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 4-7 DRIVE/STEER CONTROLLER ASSEMBLY (PRIOR TO SN 0200141441) . . . . . . . . . . 4-26 4-8 DRIVE/STEER CONTROLLER ASSEMBLY (SN 0200141441 TO SN 0200191606). . . 4-28

SECTION 5 - CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

5-1 AXLE LOCKOUT CYLINDER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 5-2 LEVEL JACK CYLINDER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 5-3 LIFT CYLINDER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 5-4 PLATFORM EXTENSION CYLINDER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 5-5 STEER CYLINDER ASSEMBLY (PRIOR TO SN 0200137518) . . . . . . . . . . . . . . . . . . . 5-12 5-6 STEER CYLINDER ASSEMBLY (SN 0200137518 TO SN 0200191606). . . . . . . . . . . . 5-14

3121836

3394RT & 4394RT

i

TABLE OF CONTENTS

FIGURE NO.

TITLE

PAGE NO.

SECTION 6 - HYDRAULIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . .6-1

6-1

STANDARD HYDRAULIC DIAGRAM (2WD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . 6-2

6-2

STANDARD HYDRAULIC DIAGRAM (4WD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . 6-4

6-3

LEVELING JACK HYDRAULIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . 6-8

6-4

HYDRAULIC DIAGRAM LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . 6-10

SECTION 7 - ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

7-1 ELECTRICAL COMPONENTS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

SECTION 8 - DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1

8-1 DECAL INSTALLATION (PRIOR TO SN 0200150260). . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 8-2 DECAL INSTALLATION (SN 0200150260 TO SN 0200191606) . . . . . . . . . . . . . . . . . . 8-6

SECTION 9 - RECOMMENDED SERVICE PARTS STOCK. . . . . . . . . . . . . . . . . . . . . . . . .9-1 SECTION 10 - SPECIAL OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1 SECTION 11 - PART NUMBER INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-1

ii

3394RT & 4394RT

3121836

SECTION 1

FRAME

3121836

3394RT & 4394RT

1-1

SECTION 1 FRAME

FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD

12

3

7

13

 

 

8

11

 

 

 

18

 

6

 

 

 

 

101

 

 

 

 

103

 

 

 

 

 

18B

18B

113

 

 

16

 

 

 

 

 

 

 

110

 

 

 

9

 

 

19

 

14

 

 

 

 

 

 

 

 

1

 

 

18A

 

4

 

 

 

18A

102

 

 

 

 

114

 

 

 

 

 

 

116

114

108

105

18A

112

 

6

10

12

115

118 101 104

111

 

 

113

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

109

 

 

 

 

 

207

 

 

 

106

 

 

 

 

117

107

 

203

205

207

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

206

210

 

 

 

 

 

 

 

 

 

 

 

 

202

204

 

 

 

 

 

201

 

209

210

 

 

 

 

 

 

 

 

 

 

 

 

207 208

 

1-2

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

0271691

Ref

OSCILLATING AXLE INSTALLATION

D

1

0100011

AR

Locking, Compound

 

2

Not Used

 

 

 

3

0641609

2

Bolt 3/8-16NC x 1-1/8

 

4

0642012

1

Bolt 5/8-11NC x 1-1/2

 

5

Not Used

 

 

 

6

1684145

2

Oscillating Axle Cylinder Assembly (See CYLINDER SECTION for

 

 

 

 

Breakdown)

 

7

2130406

4

Fitting, 90

 

8

3311605

2

Locknut 3/8-16NC

 

9

3422592

1

Pin, Axle Pivot

 

10

3422745

2

Pin, Cylinder (Top)

 

11

3422899

2

Pin, Cylinder (Bottom)

 

12

3760115

4

Ring, Retaining

 

13

3841143

2

Keeper, Pin

 

14

3841258

1

Keeper, Pin

 

15

Not Used

 

 

 

16

4740158

1

Washer, Thrust

 

17

Not Used

 

 

 

18

0272212

1

Axle Weldment

 

18A

0561300

4

Block, Cylinder

 

18B

0961950

2

Bushing

 

19

4740541

2

Washer, Thrust

 

 

0271620

Ref

STEERING INSTALLATION - 2WD FRONT

E

101

0100011

AR

Locking, Compound

 

102

0440162

2

Bearing, Thrust

 

103

0641606

4

Bolt 3/8-16NC x 3/4

 

104

 

4

Bolt Options:

 

 

0681828

 

1/2-13NC x 3-1/2 (Grade 8) (Prior to SN 0200113943)

 

 

0641824

 

1/2-13NC x 3 (SN 0200113943 to SN 0200191606)

 

105

 

1

Steer Cylinder Assembly Options (See CYLINDER SECTION for

 

 

 

 

Breakdown):

 

 

Use 1684412

 

Prior to SN 0200137518 (was p/n 1683614)

 

 

1684412

 

SN 0200137518 to SN 0200191606

 

106

2780230

2

Hub/Spindle Assembly (See Items 201 to 210 for Breakdown)

 

107

3312008

4

Nut 5/8-11NC

 

108

3322201

2

Nut 3/4-16NC

 

109

3323003

2

Nut, Slotted 1-1/4-12NC

 

110

3422692

2

Kingpin

 

111

3450808

2

Pin, Cotter 1/4 x 2

 

112

3841367

2

Rod-End with Grease Fitting

 

113

3841442

2

Rod-End

 

114

3900109

4

Screw, Shoulder

 

115

4061048

1

Shield, Cylinder (Prior to SN 0200113943)

 

116

4713000

2

Flatwasher 1-1/4 Narrow

 

117

4740086

2

Washer, Thrust

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-3

SECTION 1 FRAME

FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

118

4891800

4

Flatwasher, Hardened 1/2

 

 

2780230

Ref

HUB/SPINDLE ASSEMBLY

A

 

 

Ref

Note: Quantities shown are for 1 assembly. Two Assemblies

 

 

 

 

are required per machine.

 

201

7020033

1

Cap, Dust

 

202

7020054

1

Nut, Slotted

 

203

7010642

1

Pin, Cotter 2 x 3/16

 

204

7020055

1

Washer

 

205

7020039

1

Bearing, Cone - Outer

 

206

7020042

9

Lugnut

 

207

7020035

1

Hub (Includes Inner and Outer Bearing Cups)

 

208

7020037

1

Bearing, Cone - Inner

 

209

7020040

1

Seal

 

210

7020034

1

Spindle

 

 

2360571

Ref

FRAME WELDMENT

 

 

 

 

 

 

1-4

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-5

SECTION 1 FRAME

FIGURE 1-2. AXLE AND STEERING INSTALLATION - 4WD

6

18

 

 

18B

18B

 

16

 

 

101

102

 

103

 

 

110

18D

19

 

115

 

18A

 

 

 

 

112

12

 

 

6

 

7

10

3

12

13

 

 

8

 

 

11

200

114

118

9

14

1

4 18A

18C

 

109

107

 

112

111

18A

 

119

 

 

 

 

102

 

 

 

 

106

 

108

113

117

118

101

 

104

116

 

 

 

101

110

 

 

 

 

 

 

 

 

108

 

 

 

 

101

 

 

 

103

 

 

 

 

101

 

 

 

 

1-6

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-2. AXLE AND STEERING INSTALLATION - 4WD

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

0271509

Ref

OSCILLATING AXLE INSTALLATION

E

1

0100011

AR

Locking, Compound

 

2

Not Used

 

 

 

3

0641609

2

Bolt 3/8-16NC x 1-1/8

 

4

0642012

1

Bolt 5/8-11NC x 1-1/2

 

5

Not Used

 

 

 

6

1684145

1

Oscillating Axle Cylinder Assembly (See CYLINDER SECTION for

 

 

 

 

Breakdown)

 

7

2130406

4

Fitting, 90

 

8

3311605

2

Locknut 3/8-16NC

 

9

3422592

1

Pin, Axle Pivot

 

10

3422745

2

Pin, Cylinder (Top)

 

11

3422899

2

Pin, Cylinder (Bottom)

 

12

3760115

4

Ring, Retaining

 

13

3841143

2

Keeper, Pin

 

14

3841258

1

Keeper, Pin

 

15

Not Used

 

 

 

16

4740158

1

Washer, Thrust

 

17

Not Used

 

 

 

18

0271790

1

Axle Weldment

C

 

 

 

Note: If kingpin holes in axle measure 1.503 diameter or

 

 

 

 

larger in any direction, axle weldment must be replaced

 

18A

0561300

4

Block, Cylinder

 

18B

0961950

2

Bushing

 

18C

 

2

Bearing Options:

 

 

0961951

 

Prior to SN 0200122967 (Note: See Kit)

 

 

0440274

 

SN 0200122967 to SN 0200191606

 

18D

 

2

Bearing Options:

 

 

0961951

 

Prior to SN 0200122967 (Note: See Kit)

 

 

0440291

 

SN 0200122967 to SN 0200191606

 

19

4740541

2

Washer, Thrust

 

 

0271507

Ref

STEERING INSTALLATION - 4WD FRONT

I

101

0100011

AR

Locking, Compound

 

102

 

AR

Thrustwasher Options:

 

 

0440161

4

Prior to SN 0200122967 (Top & Bottom Kingpin Locations)

 

 

 

 

(Note: See Kit)

 

 

4740537

AR

SN 0200122967 to SN 0200191606 (.0625) (Top Kingpin

 

 

 

 

Location)

 

 

4740538

AR

SN 0200122967 to SN 0200191606 (.125) (Top Kingpin

 

 

 

 

Location)

 

 

4740539

AR

SN 0200122967 to SN 0200191606 (.188) (Top Kingpin

 

 

 

 

Location)

 

 

4740540

AR

SN 0200122967 to SN 0200191606 (.250) (Top Kingpin

 

 

 

 

Location)

 

 

0440271

AR

SN 0200122967 to SN 0200191606 (.250) (Bottom Kingpin

 

 

 

 

Location)

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-7

SECTION 1 FRAME

FIGURE 1-2. AXLE AND STEERING INSTALLATION - 4WD (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

103

0641606

AR

Bolt 3/8-16NC x 3/4

 

 

 

8

Prior to SN 0200122967

 

 

 

16

SN 0200122967 to SN 0200191606

 

104

 

4

Bolt Options:

 

 

0681828

 

1/2-13NC x 3-1/2 (Grade 8) (Prior to SN 0200113943)

 

 

0641824

 

1/2-13NC x 3 (SN 0200113943 to SN 0200191606)

 

105

Not Used

 

 

 

106

0962140

2

Bearing

 

107

 

1

Steer Cylinder Assembly Options (See CYLINDER SECTION for

 

 

 

 

Breakdown):

 

 

Use 1684412

 

Prior to SN 0200137518 (was p/n 1683614)

 

 

1684412

 

SN 0200137518 to SN 0200191606

 

108

3312008

4

Nut 5/8-11NC

 

109

3322201

2

Nut 3/4-16NC

 

110

 

4

Kingpin Options:

 

 

3422716

 

Prior to SN 0200122967 (2 Mounting Bolts) (Note: See Kit)

 

 

3423081

 

SN 0200122967 to SN 0200191606 (4 Mounting Bolts)

 

111

3841367

2

Rod-End with Grease Fitting

 

112

3900109

4

Screw, Shoulder

 

113

4061048

1

Shield, Cylinder (Prior to SN 0200113943)

 

114

 

1

Spindle (Left Side)

 

 

Use 4130403

 

Prior to SN 0200122967 (Note: See Kit) (was p/n 4130368)

 

 

4130403

 

SN 0200122967 to SN 0200191606

 

115

 

1

Spindle (Right Side)

 

 

Use 4130404

 

Prior to SN 0200122967 (Note: See Kit) (was p/n 4130369)

 

 

4130404

 

SN 0200122967 to SN 0200191606

 

116

4740086

4

Washer, Thrust

 

117

4891800

4

Flatwasher, Hardened 1/2

 

118

4846070

2

Rod-End

 

119

3780182

2

O-Ring (SN 0200122967 to SN 0200191606 Only) (Bottom King-

 

 

 

 

pin Location Only)

 

120 to 123

Not Used

 

 

 

124

3020029

AR

Grease, Bearing (Not Shown)

 

 

 

 

— — — — — — — — — —

 

200

2902400

1

Kingpin and Bushings Update Kit for Machines Built Prior to

 

 

 

 

SN 0200122967 (Includes Newer “SN 0200122967 to

 

 

 

 

SN 0200191606 Design Items 18C,18D,102,103,110 & 119).

 

 

 

 

See Field Service Bulletin AWP-04-11.

 

 

 

 

Note: Newer bushings will fit in “Prior to SN 0200122967

 

 

 

 

axles however if kingpin holes measure 1.503 diameter or

 

 

 

 

larger in any direction, axle weldment must be replaced

 

 

 

 

before installation of kit.

 

 

 

 

Note: Spindles require drilling and tapping for 8 additional

 

 

 

 

kingpin mounting bolts. Newer design kingpins require 4

 

 

 

 

mounting bolts each.

 

 

2360571

Ref

FRAME WELDMENT

 

 

 

 

 

 

1-8

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-2. AXLE AND STEERING INSTALLATION - 4WD (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-9

SECTION 1 FRAME

FIGURE 1-3.TIRE AND WHEEL DRIVE INSTALLATIONS

7

8

9

9

6

1

2

5

101

103

102

3

4

1-10

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-3. TIRE AND WHEEL DRIVE INSTALLATIONS

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

Ref

WHEEL DRIVE INSTALLATIONS

 

 

0271695

Ref

2WD

D

 

0271508

Ref

4WD

E

 

 

Ref

Note: Quantities are per axle.

 

1

0100019

AR

Locking, Compound

 

2

0682012

12

Bolt 5/8-11NC x 1-1/2

 

3

 

2

Drive Motor/Hub Assembly Options (See DRIVE MOTOR/HUB

 

 

 

 

ASSEMBLY for Breakdown):

 

 

2780263

 

2WD

 

 

2780262

 

4WD

 

4

3300106

18

Lugnut

 

5

4892000

12

Washer, Hardened

 

6

0641610

4

Bolt 3/8-16NC x 1-1/4

 

7

1671056

2

Cover, Rear Axle

 

8

3311605

4

Locknut 3/8-16NC

 

9

4711600

8

Flatwasher 3/8 Narrow

 

 

 

Ref

TIRE AND WHEEL INSTALLATIONS

 

 

0270092

Ref

12 x 16.5 Foam-Filled Lug Tire

A

 

0270653

Ref

12 x 16.5 Foam-Filled Non-Marking Tires

A

 

0271719

Ref

33/16LL x 16.5 Foam-Filled Lug Tire

A

 

0270076

2

12 x 16.5 Foam-Filled Right Side Lug Tire

A

 

0270077

2

12 x 16.5 Foam-Filled Left Side Lug Tire

A

 

0270654

2

12 x 16.5 Foam-Filled Right Side Non-Marking Tire

A

 

0270655

2

12 x 16.5 Foam-Filled Left Side Non-Marking Tire

A

 

0258011

2

33/16LL x 16.5 Foam-Filled Right Side Lug Tire

D

 

0258012

2

33/16LL x 16.5 Foam-Filled Left Side Lug Tire

D

 

 

Ref

Note: Assemblies may require ballast/foam filling to

 

 

 

 

manufacturer’s specifications prior to installing on a

 

 

 

 

machine. Refer to Operation & Safety or Service &

 

 

 

 

Maintenance Manuals. Purchase individual tire and/or rim

 

 

 

 

only if able to foam fill tire & wheel assembly,

 

 

 

 

otherwise, purchase complete assembly,

 

102

 

1

Tire Options:

 

 

4520216

 

12 x 16.5 NHS Lug Tire

 

 

4520240

 

12 x 16.5 OTR NHS Non-Marking Tire

 

 

4520217

 

33/16LL x 16.5 Lug Tire

 

103

 

1

Valve, Air Options:

 

 

8786514

 

With 0258011 & 0258012 Tire/Wheel Assemblies

 

 

4640113

 

All Tire/Wheel Assemblies except 025811 & 0258012

 

104

 

1

Rim, Wheel

 

 

4860213

 

16.5 x 9.75 (Use with 12 x 16.5 Lug Tires)

 

 

4860179

 

16.5 x 12 (Use with 33/16LL x 16.5 Lug Tires)

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-11

JLG 4394RT Parts Manual

SECTION 1 FRAME

FIGURE 1-4. DRIVE MOTOR/HUB ASSEMBLY

10

14

5

56

53

51

54 52

43

49

16 8

21

22

34

 

 

 

 

 

 

 

 

 

 

33

2

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

7

15

 

 

 

 

 

 

 

 

 

 

3

1 11

 

 

 

 

 

 

 

 

 

 

30

224

 

 

 

 

 

 

 

 

 

 

29

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

6

88

 

 

 

 

 

 

 

 

 

 

19

44

 

 

 

 

 

 

 

 

 

 

23

55

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

20

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

301 302A 302B 303 304 305

 

 

 

 

 

 

 

 

 

28

 

 

 

 

 

 

 

 

 

 

27

 

120

 

 

 

 

 

 

 

 

 

 

 

1-12

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-4. DRIVE MOTOR/HUB ASSEMBLY

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

Ref

DRIVE MOTOR/HUB ASSEMBLY

 

 

2780263

Ref

2WD

B

 

2780262

Ref

4WD

B

 

 

Ref

Note: Unless there is capability to torque shaft (item 4) to 626

 

 

 

 

ft/lbs. (850Nm) Repair beyond this level is NOT advised.

 

1

Use 7022544

4

Gear, Planet

 

2

See Note

3

Gear, Planet (Note: Use Item 302A or 302B)

 

3

7021325

1

Gear, Sun

 

4

Use 7024047

1

Nut, Shaft

 

 

 

Ref

Note: Unless there is capability to torque shaft nut (item 4) to

 

 

 

 

626 ft/lbs. (850Nm) Repair beyond this level is NOT advised.

 

5

7021326

3

Pin, Planet

 

6

7021327

1

Ring, Support

 

7

7021328

1

Carrier, Planet

 

8

Use 7021329

1

Cover

 

9

Not Used

 

 

 

10

See Note

3

Bearing, Roller (Note: Use Item 302A or 302B)

 

11

Use 7022544

4

Bearing, Roller

 

12

Use 7024047

2

Bearing, Tapered Roller

 

13

Not Used

 

 

 

14

See Note

3

Ring, Retaining (Note: Use Item 302A or 302B)

 

15

Use 7022544

4

Ring, Retaining

 

16

7021341

1

Ring, Retaining

 

17

See Note

3

Disk, Support (Note: Use Item 302A or 302B)

 

18

Not Used

 

 

 

19

Use 7024047

1

O-Ring

 

20

Use 7024047

1

Seal, Shaft

 

21

Use 7021329

3

Plug, screw

 

22

7024048

3

Ring, Seal

 

23

Use 7024047

3

Bolt

 

24 to 26

Not Used

 

 

 

27

70002303

1

O-Ring

 

28

70002304

1

Seal

 

29

7024049

1

Washer, Thrust

 

30

 

1

Gear, Ring Options:

 

 

7021335

 

2WD

 

 

7021346

 

4WD

 

31 to 32

Not Used

 

 

 

33

See Note

1

O-Ring (Note: Use Item 303 or 304)

 

34

Use 7021329

1

Ring, Retaining

 

35 to 42

Not Used

 

 

 

43

 

1

Shaft, Sun Gear Options:

 

 

7021336

 

2WD

 

 

7021347

 

4WD

 

44

7024050

1

Shaft, Input

 

45 to 48

Not Used

 

 

 

49

7024051

1

Washer, Thrust

 

50

Not Used

 

 

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-13

SECTION 1 FRAME

FIGURE 1-4. DRIVE MOTOR/HUB ASSEMBLY (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

51

See Note

1

Cover (Note: Use Item 304 or 305)

 

52

Use 7021329

1

Sleeve

 

53

See Note

2

Bolt (Note: Use Item 304 or 305)

 

54

See Note

1

O-Ring (Note: Use Item 304 or 305)

 

55

7024053

1

Spring

 

56

Use 7024054

1

Rod, Shift

 

57 to 59

Not Used

 

 

 

60

Not Available

1

Housing, Brake

 

61 to 87

Not Used

 

 

 

88

7021344

9

Stud, Wheel

 

89 to 99

Not Used

 

 

 

100

7022552

9

Cap, Seal

 

101 to 119

Not Used

 

 

 

120

7024055

1

Motor, Hydraulic

 

121 to 223

Not Used

 

 

 

224

Use 7024047

2

Dowel, Spring Sleeve

 

 

 

Ref

REPAIR KIT OPTIONS

 

301

7022544

1

Planet Gear Kit (Includes Items 1,11,15)

 

302

 

1

Planet Gear Kit Options: (Includes Items 2,10, 14,17)

 

302A

7024027

 

2WD

 

302B

7022545

 

4WD

 

303

7024047

1

Bearing Kit (Includes Items 4,12,19,20,23,33, 224)

 

 

 

Ref

Note: Unless there is capability to torque shaft nut (item 4) to

 

 

 

 

626 ft/lbs. (850Nm) Repair beyond this level is NOT advised.

 

304

7021329

1

Cover Kit (Includes Items 8,21,22,33,34,51,52,53,54)

 

305

7024054

1

Mechanical Disconnect Kit (Includes 51,53,54, 56)

 

 

 

 

 

 

1-14

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-4. DRIVE MOTOR/HUB ASSEMBLY (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-15

SECTION 1 FRAME

FIGURE 1-5. BEACON LIGHT AND 4WD VALVE INSTALLATIONS (FRAME MOUNTED)

105

101

102

 

105

 

104

102

102

103

REAR

 

 

 

303

301

 

 

 

 

 

6

102

 

304

104

 

4

1

 

 

 

 

 

 

7

FRONT

202 205

202

202

 

201

202

203

202

 

202

6

205

1

 

204

1-16

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-5. BEACON LIGHT AND 4WD VALVE INSTALLATIONS (FRAME MOUNTED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

0271779

Ref

4WD VALVE INSTALLATIONS (FRAME MOUNTED)

C

1

0641606

8

Bolt 3/8-16NC x 3/4

 

2 to 3

Not Used

 

 

 

4

4641225

1

Valve Assembly - 4WD Rear Axle (See Items 101 to 105 for

 

 

 

 

Breakdown)

 

5

Not Used

 

 

 

6

4761600

2

Lockwasher 3/8

 

7

4641220

1

Valve Assembly - 4WD Front Axle (See Items 201 to 205 for

 

 

 

 

Breakdown)

 

 

4641225

Ref

VALVE ASSEMBLY - REAR AXLE (4WD)

C

101

Not Available

1

Block, Manifold

 

102

2110404

6

Fitting, Straight

 

103

2111010

1

Fitting, Straight

 

104

2151010

2

Fitting, 45

 

105

Not Available

3

Orifice

 

 

4641220

Ref

VALVE ASSEMBLY - FRONT AXLE (4WD)

C

201

Not Available

1

Block, Manifold

 

202

2110404

8

Fitting, Straight

 

203

2111010

1

Fitting, Straight

 

204

2130404

4

Fitting, 90

 

205

2131010

2

Fitting, 90

 

 

0271746

Ref

BEACON LIGHT INSTALLATION

A

301

0721004

2

Screw #10-24NC x 1/2

 

302

2820018

2in/8cm

Heat-Shrink (Not Shown)

 

303

2920146

1

Beacon Light Assembly

 

 

7016319

1

Bulb, Replacement

 

 

7016372

1

Lens, Replacement

 

304

3311005

2

Locknut #10-24NC

 

305

4922739

1

Harness, Beacon Light (Not Shown - See ELECTRICAL

 

 

 

 

SECTION for Breakdown)

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-17

SECTION 1 FRAME

FIGURE 1-6. LEVELING JACKS INSTALLATION

2

 

8

PRIOR TO

 

 

 

8

 

 

 

 

 

 

 

 

102

 

 

 

 

 

 

SN 0200139319

 

 

 

 

 

 

20

23 11

SN 0200139319

 

 

 

 

 

4

16

TO PRESENT

 

 

 

 

 

 

 

 

 

 

 

 

110 104

15

 

 

 

 

 

105

103

19

 

 

 

 

 

109

 

 

 

 

 

106

7

 

 

 

20

1

 

 

 

 

 

112

12

26

 

 

4

 

 

 

 

 

 

 

6

14

1

20

28

 

 

 

101

 

22

26

4

 

 

10

 

113

 

 

 

 

 

 

 

 

 

 

 

 

 

 

108

 

 

 

 

 

 

 

107

 

 

 

 

 

 

 

 

 

 

 

 

252

 

 

24

 

 

 

220

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

111

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

25

 

 

 

18

 

 

 

 

 

 

 

 

1-18

3394RT & 4394RT

3121836

SECTION 1 FRAME

FIGURE 1-6. LEVELING JACKS INSTALLATION

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

Ref

LEVELING JACKS INSTALLATIONS:

 

 

0271776

Ref

Prior to SN 0200139319

F

 

0274623

Ref

SN 0200139319 to SN 0200191606

B

1

0100011

AR

Locking, Compound (Not Shown)

 

2

 

2

Leveling Jack Assembly Options (See Items 101-113 for

 

 

 

 

Breakdown):

 

 

0272261

 

Prior to SN 0200139319

 

 

0274622

 

SN 0200139319 to SN 0200191606

 

3

0272278

1

Directional Valve Assembly (Not Shown - See GROUND

 

 

 

 

CONTROLS SECTION for Breakdown)

 

4

 

AR

Bolt Options:

 

 

0641406

8

Bolt 1/4-20NC x 3/4 (Prior to SN 0200139319)

 

 

0641407

16

Bolt 1/4-20NC x 7/8 (SN 0200139319 to SN 0200191606)

 

5

Not Used

 

 

 

6

0641811

8

Bolt 1/2-13NC x 1-3/8

 

7

0682226

16

Bolt 3/4-10NC x 3-1/4

 

8

 

4

Cover Options:

 

 

1671071

4

Prior to SN 0200139319

 

 

1671165

4

SN 0200139319 to SN 0200191606

 

9

Not Used

 

 

 

10

3272205

16

Locknut 3/4-10NC

 

11

3310805

8

Locknut #8-32NC

 

12

3311405

8

Locknut 1/4-20NC (Prior to SN 0200139319)

 

13

3311805

8

Locknut 1/2-13NC

 

14

3573658

4

Plate

 

15

3930820

8

Capscrew #8-32NC

 

16

 

4

Switch, Limit Options:

 

 

4360548

 

Prior to SN 0200115380

 

 

See Note

 

SN 0200115380 to SN 0200191606 (Note: See

 

 

 

 

ELECTRICAL SECTION)

 

17

Not Used

 

 

 

18

 

AR

Tape, Safety Options:

 

 

4420052

3ft/1m

Prior to SN 0200139319

 

 

4420052

8ft/2.4m

SN 0200139319 to SN 0200149813

 

 

4420051

8ft/2.4m

SN 0200149813 to SN 0200191606

 

19

4460968

4

Connector, Strain Relief (Prior to SN 0200115380)

 

20

4711400

AR

Flatwasher 1/4 Narrow

 

21

Not Used

 

 

 

22

4711800

16

Flatwasher 1/2 Narrow

 

23

4750800

8

Flatwasher #8 Thick

 

24

4846620

2

Support (Front Right/Rear Left)

 

25

4846621

2

Support (Front Left/Rear Right)

 

26

4892200

32

Washer, Hardened 3/4

 

27

4922748

1

Harness, Leveling Jack (See ELECTRICAL SECTION for

 

 

 

 

Breakdown)

 

28

3300353

16

Nut, Tinnerman (SN 0200139319 to SN 0200191606)

 

 

 

 

 

 

3121836

3394RT & 4394RT

1-19

SECTION 1 FRAME

FIGURE 1-6. LEVELING JACKS INSTALLATION (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

Ref

LEVELING JACK ASSEMBLIES:

 

 

0272261

Ref

Prior to SN 0200139319

C

 

0274622

Ref

SN 0200139319 to SN 0200191606

A

 

 

Ref

Note: Qty shown is for one Level Jack Assembly. Two

 

 

 

 

assemblies required per machine.

 

101

0641824

8

Bolt 1/2-13NC x 3

 

102

 

2

Jack Cylinder Assembly Options (See CYLINDER SECTION for

 

 

 

 

Breakdown):

 

 

1684220

 

Prior to SN 0200139319

 

 

1684406

 

SN 0200139319 to SN 0200191606

 

103

2110606

2

Fitting, Straight

 

104

2220883

2

Plug

 

105

3311805

8

Locknut 1/2-13NC

 

106

3760348

2

Ring, Retaining

 

107

3841564

2

Rod

 

108

4160116

2

Spring

 

109

4360518

2

Transducer, Pressure

 

110

4641238

2

Cartridge, Solenoid Valve

 

 

7024502

2

Seal Kit - 4641238 Valve (1 Per Cartridge)

 

 

7024501

2

Coil (1 Per Cartridge)

 

 

7024506

2

Coil Nut Kit (1 Per Cartridge)

 

111

 

1

Mount, Leveling Jack Options:

 

 

4846619

 

Prior to SN 0200139319

 

 

4210028

 

SN 0200139319 to SN 0200191606

 

112

2110808

2

Fitting, Straight

 

113

0903054

2

Bracket, Jack Cover (SN 0200139319 to SN 0200191606)

 

 

0010583

Ref

DECALS INSTALLATION

 

201 to 219

Not Used

 

 

 

220

 

4

Decal - Outrigger Warning Options:

 

 

1701214

 

ANSI Spec (English)

 

 

1704690

 

CSA Spec (English/French)

 

 

1704698

 

Brazilian Spec (Spanish/Portuguese)

 

 

1704697

 

Latin American Spec (English/Spanish)

 

221 to 251

Not Used

 

 

 

252

1705042

4

Decal - Maximum Load

 

 

 

 

 

 

1-20

3394RT & 4394RT

3121836

SECTION 2

GROUND CONTROLS

3121836

3394RT & 4394RT

2-1

SECTION 2 GROUND CONTROLS

FIGURE 2-1. CONTROL VALVES INSTALLATION

602

 

 

 

 

 

 

 

 

503

404B

 

 

 

 

530

 

 

 

 

516

 

404C

3

 

 

 

404A

 

 

 

 

 

 

 

 

 

404D

 

8

5

519

 

 

518

402

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

401

 

 

 

 

402

 

 

 

303

 

 

 

TANK SIDE

 

404

 

104

 

531

 

 

 

 

102

502

 

321

 

 

 

504

 

301

 

 

 

 

 

 

 

 

4A

 

305

 

 

 

 

 

 

105

 

101

4B OR

106

107

 

104

204

202

5

202

201

 

1

 

 

203

ENGINE SIDE

 

 

204

2-2

3394RT & 4394RT

3121836

SECTION 2 GROUND CONTROLS

FIGURE 2-1. CONTROL VALVES INSTALLATION

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

 

Ref

CONTROL VALVE INSTALLATION

 

 

0271778

Ref

2WD

B

 

0271779

Ref

4WD

C

1

0641606

4

Bolt 3/8-16NC x 3/4

 

2

0641624

3

Bolt 3/8-16NC x 3

 

3

4641211

1

Valve Assembly - Main (See MAIN CONTROL VALVE

 

 

 

 

ASSEMBLY for Breakdown)

 

4

 

1

Valve Assembly - Drive Header Options:

 

4A

4641228

 

2WD (See Items 101-106 for Breakdown)

 

4B

4641227

 

4WD (See Items 201-204 for Breakdown)

 

5

4761600

7

Lockwasher 3/8

 

6 to 7

Not Used

 

 

 

8

4568114

3

Spacer, Tube

 

 

4641228

Ref

VALVE ASSEMBLY - DRIVE HEADER (2WD)

C

101

Not Available

1

Block, Manifold

 

102

2111212

2

Fitting, Straight

 

103

Not Used

 

 

 

104

2130808

4

Fitting, 90

 

105

7026010

1

Cartridge

 

 

70002519

1

Seal Kit - 7026010 Cartridge

 

106

7018905

1

Plug, O-Ring

 

 

7022523

1

Orifice

 

107

7026012

2

Cartridge

 

 

7011346

2

Seal Kit - 7026012 Cartridge

 

 

4641227

Ref

VALVE ASSEMBLY - DRIVE HEADER (4WD)

C

201

Not Available

1

Block, Manifold

 

202

2110808

4

Fitting, Straight

 

203

2111212

4

Fitting, Straight

 

204

2130808

4

Fitting, 90

 

 

 

Ref

LEVELING JACK VALVE INSTALLATION

B

 

0271776

Ref

Prior to SN 0200139319

 

 

0274623

Ref

SN 0200139319 to SN 0200191606

 

301

0100011

AR

Locking, Compound

 

302

Not Used

 

 

 

303

0272278

1

Leveling Jack Valve Assembly (See Items 401-403 for

 

 

 

 

Breakdown)

 

304

Not Used

 

 

 

305

0641508

3

Bolt 5/16-18NC x 1

 

306 to 320

Not Used

 

 

 

321

4711500

3

Flatwasher 5/16 Narrow

 

 

 

 

 

 

3121836

3394RT & 4394RT

2-3

SECTION 2 GROUND CONTROLS

FIGURE 2-1. CONTROL VALVES INSTALLATION (CONTINUED)

ITEM #

PART NUMBER

QTY.

DESCRIPTION

REV.

 

 

 

 

 

 

0272278

Ref

LEVELING JACK VALVE SUB-ASSEMBLY

C

401

2110606

4

Fitting, Straight

 

402

2110808

6

Fitting, Straight

 

403

Not Used

 

 

 

404

4641240

1

Valve Assembly

 

404A

7024497

1

Cartridge without Coil (Retract)

 

 

7024502

1

Seal Kit - 7024497 Cartridge

 

 

7024501

1

Coil

 

 

7024506

1

Coil Nut Kit

 

404B

7024498

1

Cartridge without Coil (Extend)

 

 

7024503

1

Seal Kit - 7024498 Cartridge

 

 

7024501

1

Coil

 

 

7024507

1

Coil Nut Kit

 

404C

7024499

1

Cartridge

 

 

7024504

1

Seal Kit - 7024499 Cartridge

 

404D

7024500

1

Cartridge without Coil

 

 

7024505

1

Seal Kit - 7024500 Cartridge

 

 

7024501

1

Coil

 

 

7024506

1

Coil Nut Kit

 

 

 

Ref

POWER DECK EXTENSION AUXILIARY PUMP INSTALLATION

 

 

0271701

Ref

3394RT with Single Deck Extension

E

 

0271705

Ref

3394RT with Dual Deck Extension

E

 

0271702

Ref

4394RT with Single Deck Extension

E

 

0271706

Ref

4394RT with Dual Deck Extension

E

501

Not Used

 

 

 

502

0100011

AR

Locking, Compound

 

503

0641405

2

Bolt 1/4-20NC x 5/8

 

504

0641608

2

Bolt 3/8-16NC x 1

 

505 to 515

Not Used

 

 

 

516

3311405

2

Locknut 1/4-20NC

 

517

Not Used

 

 

 

518

 

1

Auxiliary Power Pump Assembly Options (see AUXILIARY

 

 

 

 

PUMP ASSEMBLY for Breakdown):

 

 

Use 3600468

1

Prior to SN 0200164133 (was p/n 3600208)

 

 

3600468

1

SN 0200164133 to SN 0200191606

 

519

3740067

1

Relay

 

520 to 529

Not Used

 

 

 

530

4751400

4

Flatwasher 1/4 Wide

 

531

4751600

2

Flatwasher 3/8 Wide

 

 

 

 

 

 

2-4

3394RT & 4394RT

3121836

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