An Improved Dust Ejector Hose is Now Available for Certain 988K Large Wheel Loaders, 834K Large Wheel Dozers, and 836K Compactors {1068, 7554} Caterpillar

An Improved Dust Ejector Hose is Now Available for Certain 988K Large Wheel Loaders, 834K Large Wheel Dozers, and 836K Compactors {1068, 7554}

Usage:

988K LWX

Landfill Compactor: 836K (S/N: LWZ1-UP; TWZ1-UP)
Wheel Dozer: 834K (S/N: LWY1-UP; TWY1-UP)
Wheel Loader: 988K (S/N: LWX1-UP; TWX1-UP)

Description Of Change: An improved dust ejector hose is now available for machines that are listed above. The new dust ejector hoses are made of improved material to provide extended service life.

Adaptable To: Replace the 377-0855 Hose As in 377-0853 Dust Ejector Gp with a new 515-2591 Hose for machines with prefixes TWZ, TWY, and TWX.

Replace the 377-0855 Hose As in 377-0853 Dust Ejector Gp with a 515-2592 Hose for machines with prefixes LWZ, LWY, and LWX.

The improved hoses are available for the following machines.

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Table 1
Sales Model	Adaptable to machines	Effective in production with machines
834K	S/N:LWY1-722	S/N:LWY723-UP
834K	S/N:TWY1-707	S/N:TWY708-UP
836K	S/N:LWZ1-231	S/N:LWZ232-UP
836K	S/N:TWZ1-599	S/N:TWZ600-UP
988K	S/N:LWX1-733	S/N:LWX734-UP
988K	S/N:TWX1-1148	S/N:TWX1149-UP

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Table 2
Required Parts
Item	Qty	Part Number	Description
1	1	515-2591	Hose
2	4	1W-4724	Hose Clamp
3	1	515-2592	Hose

Rework Procedure

Follow the below rework procedure to replace the hose.

Procedure to install hose for machines with prefixes TWX, TWY, and TWZ

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Illustration 1	g06096254
Location of Area A

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Illustration 2	g06096283
View of Area A (B) 377-0893 (C) 9M-0164 Hose Clamp

Remove hose (B), two hose clamps (C).
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Illustration 3 g06096291

View of Area A
(1) 515-2591 Hose
(2) 1W-4724 Hose Clamp
Install hose (1) using two hose clamps (2).

Procedure to install hose for machines with prefixes LWX, LWY, and LWZ

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Illustration 4	g06096298
Location of Area D

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Illustration 5	g06096304
View of Area D (B) 377-0893 (C) 9M-0164 Hose Clamp

Remove hose (B), two hose clamps (C).
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Illustration 6 g06096311

View of Area D
(2) 1W-4724 Hose Clamp
(3) 515-2592 Hose
Install hose (3) using two hose clamps (2).