SECTION 3 - CHASSIS & TURNTABLE
3-20
– JLG Lift –
3121259
6.
Use Truarc #0100 or equivalent pliers to install Retaining
Ring (5) into the retaining ring groove in the counter-
bore the Coupling (7).
7.
Insert Coupling Subassembly (7) through Brake Rotors
(8J).
8.
Grease the O-Rings (8F) and (8D) and the Backup Rings
(8H) and (8E).
9.
Install small O-Ring (8D) into the o-ring groove of Spin-
dle (1A).
10.
Install small Backup Ring (8E) into the o-ring groove of
Spindle (1A), on bottom of the small O-Ring (8D).
11.
Set the Brake Piston (8A) so that the large diameter end
is down. Install large Backup Ring (8H) in the large diam-
eter groove at the bottom of the Brake Piston (8A).
12.
Install large O-Ring (8F) in the large-diameter groove at
the bottom of the Brake Piston (8A), on top of the large
Backup Ring (8H).
13.
Use appropriate tool to insert Brake Piston (8A) with
backup ring and o-ring into Spindle (1A) until it contacts
Brake Stator (8K).
14.
Insert twelve Springs (8L) into Brake Piston (8A) holes
and then install the smaller twelve Springs (8M) into the
Springs (8L) already installed into the brake piston.
15.
Press Ball Bearing (8B) in the Mounting Adaptor (1N) and
then install Retaining Ring (8C) into the retaining ring
groove of the mounting adaptor.
16.
Before installing the Quad Seal (1K) into groove of
Mounting Adaptor (1N) grease internal diameter of the
quad seal.
17.
Install O-Ring (8F) into the outside o-ring groove of the
Mounting Adaptor (1N).
18.
Insert the Adaptor Subassembly onto Spindle (1A) with
the o-ring port on the spindle flange centered between
the two motor mounting holes on the Mounting Adap-
tor (1N).
19.
Secure the Mounting Adaptor (1N) to the Spindle (1 A)
with 8 bolts (21). Torque the bolts to 36-38 ft-lbs in X
pattern.
20.
Use the Integral Brake Check Procedure to leak check
the brake, record initial release pressure.
21.
Disconnect Brake Tester and install O-Ring Plug (12) and
tighten according to DIN standard if applicable.
Figure 3-17. Spindle-Brake Figure 2
1L. Spring
1M. Thrust Washer
5. Internal Retaining Ring
7. Coupling
Figure 3-18. Spindle-Brake Figure 3
1K. Quad Seal
1N. Mounting Adaptor
8B. Ball Bearing
8C. Retaining Ring
8F. O-ring
Summary of Contents for 340AJ
Page 1: ...Service and Maintenance Manual Model 340AJ P N 3121259 June 27 2017...
Page 2: ......
Page 10: ...vi JLG Lift 3121259 TABLE OF CONTENTS SECTION NO TITLE PAGE NO Thispageleftblankintentionally...
Page 15: ...3121259 JLG Lift xi LIST OF FIGURES FIGURE NO TITLE PAGE NO Thispageleftblankintentionally...
Page 18: ...xiv JLG Lift 3121259 LIST OF TABLES TABLE NO TITLE PAGE NO Thispageleftblankintentionally...
Page 42: ...SECTION 2 GENERAL 2 12 JLG Lift 3121259 NOTES...
Page 69: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 27 Figure 3 24 Bearing Pressing Tool...
Page 71: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 29 Figure 3 27 Bearing Nut Wrench...
Page 134: ...SECTION 3 CHASSIS TURNTABLE 3 92 JLG Lift 3121259 NOTES...
Page 157: ...SECTION 4 BOOM PLATFORM 3121259 JLG Lift 4 23 Figure 4 8 Rotator Counterbalance Valve...
Page 218: ...SECTION 5 HYDRAULICS 5 58 JLG Lift 3121259 Figure 5 32 Fasteners and Plugs Sheet 1 of 2...
Page 219: ...SECTION 5 HYDRAULICS 3121259 JLG Lift 5 59 Figure 5 33 Fasteners and Plugs Sheet 2 of 2...
Page 236: ...SECTION 5 HYDRAULICS 5 76 JLG Lift 3121259 Figure 5 39 Gear Pump Cutaway...
Page 246: ...SECTION 5 HYDRAULICS 5 86 JLG Lift 3121259 Figure 5 40 Oil Sampling Port...
Page 256: ...SECTION 6 JLG CONTROL SYSTEM 6 10 JLG Lift 3121259 Figure 6 3 Ground Module Sheet 1 of 4...
Page 273: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 27 Figure 6 16 Analyzer Machine Setup Menu...
Page 274: ...SECTION 6 JLG CONTROL SYSTEM 6 28 JLG Lift 3121259 Figure 6 17 Analyzer Calibrations Menu...
Page 336: ...SECTION 6 JLG CONTROL SYSTEM 6 90 JLG Lift 3121259 NOTES...
Page 368: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 JLG Lift 3121259 NOTES...
Page 369: ......
