335F CR Excavator C7.1 Engine Supplement Caterpillar

Engine - Remove and Install

Usage:

335F FEP

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	6V-6146	Load Leveler Gp	1

Start By:

Release the hydraulic system pressure.
Remove the counterweight.
Remove the main hydraulic pump.

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NOTICE

Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

Drain the engine. Refer to Operation and Maintenance Manual, "Engine Oil - Change". Refer to Operation and Maintenance Manual, "Engine Oil - Check" for the correct draining and filling procedure.
Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
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Illustration 1 g03745359

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Illustration 2 g03745360
Remove bolts (2), bolts (3), and sheet assembly (1).
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Illustration 3 g03745361
Remove bolts (6) and support assembly (7).
Remove bolts (8) and support assembly (9).
Remove bolts (4) and support assembly (5).
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Illustration 4 g03745363

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Illustration 5 g03745385
Remove bolts (11) and sheet assembly (10).
Remove bolts (13) and sheet assembly (12).
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Illustration 6 g03745387
Remove bolts (15) and sheet assembly (14).
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Illustration 7 g03745390
Loosen clamp (17) and disconnect hose (16).
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Illustration 8 g03745393
Remove bolts (19) and sheet assembly (18).
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Illustration 9 g03745399
Remove hose (20) and hose (21).
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Illustration 10 g03745685
Remove bolts (23) and tube assembly (22).
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Illustration 11 g03745688
Remove bolts (24) and fan guard (26).
Cut cable straps (25) and disconnect harness assembly (27).
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Illustration 12 g03745689
Remove belt (29). Refer to Operation and Maintenance Manual, " Belt - Inspect/Adjust/Replace" to remove and install the belt.
Remove bolts (28). Relocate fan (30).
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Illustration 13 g03745690
Remove clips (34) and disconnect hose (31).
Cut cable straps (35).
Remove bolts (33). Relocate compressor (32).
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Illustration 14 g03745691
Disconnect cable assemblies (36), (37), and (38).
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Illustration 15 g03745695
Disconnect harness assembly (39).
Disconnect cable assembly (40) and cable assembly (41) from the electric starter motor.
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Illustration 16 g03745696
Remove bolts (42). Relocate bracket assembly (43).
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Illustration 17 g03745698
Disconnect hose (45), hose (46), and hose (48).
Remove clips (47) and disconnect hoses (44).
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Illustration 18 g03745700
Remove clip (50) and bolt (52).
Disconnect hose assembly (49) and hose assembly (51). Reposition hose assembly (49) and hose assembly (51) out of the way.
Disconnect hose assembly (53).
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Illustration 19 g03745701

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Illustration 20 g03745702

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Illustration 21 g03745703
Cut cable straps (55), cable straps (56), and disconnect harness assembly (54).
Cut cable straps (58) and disconnect cable assembly (57).
Disconnect ground strap (62).
Remove clip (63).
Cut cable straps (60). Disconnect harness assembly (59) and harness assembly (61). Reposition harness assembly (59) out of the way.
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Illustration 22 g03745705
Position oil filter housing (64) on top of engine (65).
Use Tooling (A) and a suitable lifting device in order to remove engine (65). The weight of engine (65) is approximately 757 kg (1670 lb).
Remove bolts (66) and engine (65).