2012/12/10 Caterpillar

Quarry Truck:

773G (S/N: MWH1-UP; JWS1-UP; T5S1-UP; T5T1-UP)

775G (S/N: T5F1-UP; RFM1-UP; MJS1-UP; T5W1-UP)

Service Magazine SEPD1539, December 2012, "A New Mud Guard in the Fender Group Is Now Used on Certain 773G and 775G Quarry Trucks". Discard this article. See the replacement article that follows.

Description of Change: An updated mudguard is now available for the right-hand side of the truck. The updated mudguard extends coverage out to the edge of the mud defector that is currently mounted onto the right-hand platform.

When installing the new mudguard, there is a difference in one of the mounting plates depending how the truck is equipped. The truck can be equipped with body heat or with atmosphere exhaust. Table 2 provides the parts list for the mud guard with exhaust. Table 3 provides the parts list for the mud guard with diverter box for a heated body.

Note: On trucks with Atmosphere exhaust, ensure that the exhaust tip is positioned so that the hot engine exhaust is not being blown on the mud guards.

Adaptable To: The new 417-0162 Guard is part of 314-7140 Fender Gp in the 314-7000 Chassis Ar .

The new 417-0162 Guard is adaptable and effective in production with the machines that are listed in Table 1.

Table 1

Sales Model	Adaptable Serial Numbers	Effective Serial Numbers
773G	S/N:JWS1-225	S/N:JWS226-UP
	S/N:MWH1-293	S/N:MWH294-UP
	S/N:T5S1-114	S/N:T5S115-UP
	S/N:T5T1-101	S/N:T5T102-UP
775G	S/N:MJS1-355	S/N:MJS356-UP
	S/N:RFM1-509	S/N:RFM510-UP
	S/N:T5F1-101	S/N:T5F102-UP
	S/N:T5W1-107	S/N:T5W108-UP

Rework Procedure for the Mud Guard with Atmosphere Exhaust

Table 2

Item	Qty	Part Number	Description
1	8	8T-4196	Bolt
2	12	7X-7729	Washer
3	2	8T-4186	Bolt
4	1	417-0161	Plate
5	1	417-0162	Guard
6	1	340-6256 (1)	Plate As
7	1	115-6433	Washer
8	3	6V-7744	Locknut
9	1	319-5435	Plate
10	1	357-0497	Plate
11	1	340-3616	Plate

( 1 )

Applicable for guard with exhaust only

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Illustration 1	g03319687
These dimensions are to the center of the hole. (A) 150 mm (5.9 inch) (B) 42 mm (1.7 inch) (C) 60 mm (2.4 inch)

1. Mark holes as per dimensions (A), (B, and) (C). Drill two 20 mm (0.8 inch) holes. Refer Illustration 1.

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Illustration 2	g03319689

2. Install guard (5) with plate (4) to the platform with three bolts (1) and three washers (2) .

3. Install plate assembly (6) to the frame with the existing hardware.

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Illustration 3	g03319691

4. Install plate (9) with two bolts (3), four washers (2), and two locknuts (8) .

5. Install plate (10) with two bolts (1) and two washers (2) .

6. Install plate (11) with three bolts (1), three washers (2), one washer (7), and one locknut (8) .

Rework Procedure for the Mud Guard with Diverter Box

Table 3

Item	Qty	Part Number	Description
1	8	8T-4196	Bolt
2	12	7X-7729	Washer
3	2	8T-4186	Bolt
4	1	417-0161	Plate
5	1	417-0162	Guard
6	1	355-9794 (2)	Plate As
7	1	115-6433	Washer
8	3	6V-7744	Locknut
9	1	319-5435	Plate
10	1	357-0497	Plate
11	1	340-3616	Plate
12	4	8T-4139	Bolt
13	4	5P-1076	Hard Washer

( 2 )

Applicable for guard with diverter box only

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Illustration 4	g03320862
These dimensions are to the center of the hole. (A) 150 mm (5.9 inch) (B) 42 mm (1.7 inch) (C) 60 mm (2.4 inch)

1. Mark holes as per dimensions (A), (B), and (C). Drill two 20 mm (0.8 inch) holes. Refer Illustration 4.

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Illustration 5	g03319718

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Illustration 6	g03319719

2. Install guard (5) with plate (4) to the platform with three bolts (1) and three washers (2) .

3. Install plate assembly (6) to the frame with the existing hardware and to the diverter box with four bolts (12) and four washers (13) .

4. Install plate (9 ) with two bolts (3), four washers (2), and two locknuts (8) .

5. Install plate (10) with two bolts (1) and two washers (2) .

6. Install plate (11) with three bolts (1), three washers (2), one washer (7), and one locknut (8) .