BLADE 1U8589 - Caterpillar

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Remove screws (1) and plate (2). Remove floor mat (3).
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Remove bolts (5) and (6). Slide seat assembly (4) forward.
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Remove louvers (7).
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Remove bolts (8) and duct (9).
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Remove louver (10). Repeat for the other side.
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Remove bolt (11) from duct (12). Repeat for the other side.
Remove duct (12).
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Remove five bolts (13) and three bolts (15). Remove cover (14).
Remove five bolts (17) and remove panel (16).
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Remove bolts (18) and tray (19).
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Open door assembly (20).
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Typical Example
Disconnect hose assemblies (21). Disconnect hoses (22).
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Remove bolts (24) and remove duct (23).
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Disconnect harness assembly (25).
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Remove bolt (26).
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Remove two screws (28) and position plate (31) out of the way.
Remove bolts (29) and heating and air conditioning unit (30).Installation Procedure
Install heating and air conditioning unit (28) in the reverse order of removal.
Tighten bolts (29) and (26) to a torque of 30 7 N m (266 62 lb in).
Tighten screws (28) to a torque of 1.7 0.5 N m (15 4 lb in).