794 AC Off-Highway Truck Field Assembly Caterpillar

Muffler - Install

Usage:

Parts and Specification Information

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Illustration 1	g03823734

Note: Verify that all parts are shipped and undamaged for preparation of assembly. Missing or damaged parts can be ordered prior to assembly to avoid delays during assembly.

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Personal injury or death can occur from heavy components falling during removal or installation.

Properly support the component with a suitable lifting device during removal or installation.

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Table 1
Item	Part Number	Description	Qty	Specification	Approximate Weight
1	444-8820	Muffler	2		91 kg (200 lb)
2	444-8826	Clamp As	4
3	444-8829	Exhaust Pipe As	2

Installation Procedure

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Illustration 2	g06149679

Install two mufflers (1) to the right side fender with four clamp assemblies (2). Hand tighten nuts on clamp assemblies (2).
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Illustration 3 g06149694

View of area A
Insert exhaust pipe assembly (3) inside the muffler at a distance of (B) 110 ± 5 mm (4.3 ± 0.2 inch) as shown in Illustration 3.
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Illustration 4 g06183694

(3) Pipe Assembly
(W1) 3.0 mm (0.12 inch) fillet weld, 10 mm (0.39 inch) in length at four places

Note: Point exhaust pipe assembly (3) towards rear of truck.
Weld exhaust pipe assembly (3) to muffler with 3.0 mm (0.12 inch) fillet weld, 10 mm (0.39 inch) in length, 90 degrees apart as shown in Illustration 4.
Tighten nuts on four clamp assemblies (2) to 105 ± 20 N·m (77 ± 15 lb ft). Refer to Illustration 2.