Advance Adapters 50-5906D User Manual

ADVANCE ADAPTERS INC. P/N: 50-5906D

P.O. Box 247, 4320 Aerotech Center Way
Paso Robles, CA 93447 PAGE 1 OF 9
Telephone: [phone] Fax: [phone] Page Rev. Date: 08-10-09

TX2 CRAWLER ADAPTER

TOYOTA 4WD TRUCKS 23T INPUT

KIT CONSISTS OF:

No. Qty Part No. Description

1. 1 51-5909 TX2 ADAPTER CASTING

2. 1 52-5910 DOUBLE BEARING COUPLER

3. 11 716065 10mm X 1.25" X 48mm SPECIAL STUD

4. 1 716182 THRUST BUSHING

5. 1 716182A SPACER

6. 1 716182B 1/4" BALL

7. 1 716186 SPEED-O BUSHING

8. 2 716308 ROLLER BEARING

9. 1 716323 NEEDLE BEARING FOR CLUSTER GEAR

10. 1 716456 SNAP RING (T/A #N5000-334)

11. 1 716463 SNAP RING

12. 1 716563 GASKET

13. 1 716564 GASKET

14. 11 720012 10mm X 1.25" NUT

15. 11 720015 10mm FLATWASHERS

16. 11 720038 10mm LOCKWASHERS

17. 1 911069 KEY STOCK

18. 1 TT001 TOYOTA TRUCK INSTRUCTION MANUAL

Suggested Tools

Ratchet with a 12MM, 14MM, & 30MM sockets
Needle nose pliers
Snap ring pliers
6MM allen wrenches
Hammer
3/16" punch
Straight screw driver
Cresent wrench
Loctile
Assembly lube

OPTIONAL ITEM:

We now offer a custom 12" speedometer
extension for the crawler boxes. This
extension comes with both size drive
cogs to fit your stock or replacement
transfer case P/N 716186-C.

PREPARATION OF THE GEAR BOX

Disassemble the extra transfer case gear box using the instruction on the following pages.

SPECIAL NOTE: The components packaged in this kit have been assembled and machined for specific type of conversions. Modifications to any of the
components will void any possible warranty or return privileges. If you do not fully understand modifications or changes that will be required to complete your conversion,
we strongly recommend that you contact our sales department for more information. This instruction sheet is only to be used for the assembly of Advance Adapter
components. We recommend that a service manual pertaining to your vehicle be obtained for specific torque values, wiring diagrams and other related equipment.
These manuals are normally available at automotive dealerships and parts stores.

ADVANCE ADAPTERS INC. P/N: 50-5906D

P.O. Box 247, 4320 Aerotech Center Way
Paso Robles, CA 93447 PAGE 2 OF 9
Telephone: [phone] Fax: [phone] Page Rev. Date: 08-10-09

TX2 CRAWLER ADAPTER

TOYOTA 4WD TRUCKS 23T INPUT

DISASSEMBLY PROCEDURES

The Advance Adapters TX2 crawler kit is ideal for the avid Toyota Truck rock crawler. The installation of the TX2 requires you to
almost completely disassemble the donor transfer case. We have provided illustrative disassembly and assembly instruc­tions to assist you. These instructions are to be used as a guide. The official Toyota shop manual is strongly recommended
for additional information.

(1) The transfer case must be in 2WD High before

starting the disassembly procedures.

nut with a 30mm socket and then remove the flange.

(2) Remove the 7 bolts that retain the rear extension housing

with a 14mm metric socket.

SPECIAL NOTE: The components packaged in this kit have been assembled and machined for specific type of conversions. Modifications to any of the
components will void any possible warranty or return privileges. If you do not fully understand modifications or changes that will be required to complete your conversion,
we strongly recommend that you contact our sales department for more information. This instruction sheet is only to be used for the assembly of Advance Adapter
components. We recommend that a service manual pertaining to your vehicle be obtained for specific torque values, wiring diagrams and other related equipment.
These manuals are normally available at automotive dealerships and parts stores.

Remove the

(3) With the rear extension housing removed, you will see

the oil pump and speedometer drive gears. Slide the
gears off of the rear output shaft.

(4) Remove the rear output shaft bearing.

ADVANCE ADAPTERS INC. P/N: 50-5906D

P.O. Box 247, 4320 Aerotech Center Way
Paso Robles, CA 93447 PAGE 3 OF 9
Telephone: [phone] Fax: [phone] Page Rev. Date: 08-10-09

TX2 CRAWLER ADAPTER

TOYOTA 4WD TRUCKS 23T INPUT

(5) Remove outer bearing C-clip by reaching inside case and

pushing up on gear, while lightly tapping on the case with
a plastic soft blow mallet.

(6) Remove the 10 bolts retaining the rear case cover with a

14mm socket.

(8) Using a 3/16" (4mm) punch, drive the roll pin out that

holds the front wheel drive shift fork.

(9) Slide the fork and clutch sleeve off the shift rail.

(7) Pull case off. Remove the two lubrication tubes located on

either side of the main shaft.

SPECIAL NOTE: The components packaged in this kit have been assembled and machined for specific type of conversions. Modifications to any of the
components will void any possible warranty or return privileges. If you do not fully understand modifications or changes that will be required to complete your conversion,
we strongly recommend that you contact our sales department for more information. This instruction sheet is only to be used for the assembly of Advance Adapter
components. We recommend that a service manual pertaining to your vehicle be obtained for specific torque values, wiring diagrams and other related equipment.
These manuals are normally available at automotive dealerships and parts stores.

Note their orientation!

(10) Remove the front wheel drive gear and it's caged

needle roller bearing assembly.