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Tandem Axle Installation
1. Raise unit and support with jack stands per dia-
gram page 20 to take pressure from tires.
2. Remove wheel assembly from right spring arm
hub assembly from center frame.
3. Remove axle hub from right spring arm.
4. Install drive type grease fitting in four holes in
spring arm.
5. Install tandem arm 1045738 as shown.
6. Install tandem arm 1045739 as shown, slid-
ing both axles into receiving tubes. Fasten with
screws 3489 and nuts 1045624 provided.
7. Install axle / hub 1017050 and secure with screw
3489 and nut 1045624, reused or purchased
separately as needed.
8. Install wheel assembly.
9. Repeat for left spring arm of center frame, using
1045850 in place of 1045738, installed from the
center.
10. Repeat for wings if purchased, noting orientation
of parts to locate wheels in the correct position.
Outer wheel should be forward of inner wheel on
both wings.
58 Parts
MAN1338_2023-05.indd 58
MAN1338_2023-05.indd 58
TANDEM AXLE (OPTIONAL)
REF
1
2
3
4
5
6
REF
1
2
3
4
5
6
TIRE & HUB
SEE PAGE 49
BEFORE SERIAL NO. 10007668087004
PART
QTY
DESCRIPTION
3489
8
HHCS 1/2 NC x 3 GR5 ZP
1043432
8
Zerk, 1/4 drive type
1045624
8
Nut, HFN 1/2 NC, Dri-Loc patch
1045738RP
1
WA, tandem arm, RT
1045739RP
1
WA, tandem arm, LT
1045850RP
2
WA, tandem arm
AFTER SERIAL NO. 10007668087004
PART
QTY
DESCRIPTION
3489
8
HHCS 1/2 NC x 3 GR5 ZP
1043432
8
Zerk, 1/4 drive type
1045624
8
Nut, HFN 1/2 NC, Dri-Loc patch
617126RP
1
WA, tandem arm, RT
617127RP
1
WA, tandem arm, LT
1045850RP
2
WA, tandem arm
MAN1338
( 05/04/2023 )
5/5/23 1:21 PM
5/5/23 1:21 PM
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