Procedure to Replace the 180-5316 Circulating Fan Gp with 5D-2856 Circulating Fan Gp for Certain Excavators and Track Feller Bunchers {1408, 7301, 7316, 7329} Caterpillar

Excavator

320D (S/N: BZF1-UP; GKS1-UP; EAX1-UP; CYZ1-UP)

324D (S/N: JKR1-UP; JLS1-UP)

325D (S/N: C8L1-UP)

568 (S/N: BRB1-UP; YJX1-UP)

Track Feller Buncher

521B (S/N: F7B1-UP)

522B (S/N: F7C1-UP)

541 Series 2 (S/N: F7D1-UP)

552 Series 2 (S/N: F7G1-UP)

Introduction

This Special Instruction contains the procedure to replace the 180-5316 Circulating Fan Gp with the 5D-2856 Circulating Fan Gp.

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.

Safety Section

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Failure to follow all safety guidelines prescribed in this document and by governing authorities and regulatory agencies may result in severe injury or death of personnel or machine damage.

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Before servicing/performing maintenance on the machine, electrical power must be physically disconnected; battery plugs must be disconnected from the batteries, or the trailing cable must be unplugged, and warning tags and padlocks shall be applied by a certified electrician. Certified electricians shall perform or direct any electrical work, including any energized testing, repair work in controllers, motors, or other approved compartments, and shall insure that all compartments are properly closed and inspected prior to re-energization. All applicable lock out and tag out procedures must be followed.

Note: Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly.

Required Parts

Installation Procedure

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Illustration 1	g06134378
(A) 180-5316 Circulating Fan Gp

1. Remove and save the 180-5316 Circulating Fan Gp (A) and fasteners from the cab.
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   Illustration 2	g06134383
   (B) Green wire (C) Brown wire (D) Black wire

2. Cut the green (B), brown (C), and black (D) color wires close to the fan motor.
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   Illustration 3	g06134387
   (E) Bracket (F) Bolt (G) Nut

3. Remove the mounting bracket (E) from the 180-5316 Circulating Fan Gp (A) by loosening the bolt (F) and nut (G). Save the bracket and hardware.
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   Illustration 4	g06134392
   (1) 5D-2856 Circulating Fan Gp (H) Orange wire (J) Bracket (K) Red wire (L) Bolt (M) Nut

4. On the 5D-2856 Circulating Fan Gp (1) cut the red (K) and orange (H) color wires approximately 51 mm (2.0 inch) from the mounting bracket.

5. Remove the mounting bracket (J) from the 5D-2856 Circulating Fan Gp (1) by loosening the bolt (L) and nut (M). Discard the bracket and hardware.
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   Illustration 5	g06134396
   (1) 5D-2856 Circulating Fan Gp (E) Bracket (F) Bolt (G) Nut

6. Install the bracket (E) to the 5D-2856 Circulating Fan Gp (1) using the bolt (F) and nut (G) which was saved in Step 3.
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   Illustration 6	g06134398
   (B) Green wire (C) Brown wire (D) Black wire (H) Orange wire (K) Red wire

7. Splice the wires from red (K) to green (B) color wire, from orange (H) to brown (C) color wire, and black (D) color wire to the ground.

8. Plug the fan connector to the cab harness and mount the 5D-2856 Circulating Fan Gp (1) to the cab by using hardware which was saved in Step 1.