﻿GET_GEVOMechL2_10_01_01_56 - ANIMATION Screen
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Describe how to perform running maintenance related to the equipment cooling air system.

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The air cleaner panels require no routine running maintenance other than a visual inspection to see if they are intact and free of debris.

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Every 3 years, lubricate the bearings of the traction motor blower, the exhauster blower, and the alternator blower.

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At 184 days, replace the six auxiliary cab air filters.

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Traction Motor Blower Removal

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1. Open the traction motor blower electrical connection box and disconnect the three motor leads.

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2. Remove the bolts and lockwashers securing the connection box and support assembly to the platform, then move the assembly out of the way to facilitate later removal of the traction motor blower.

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3. Remove the section of the handrail adjacent to the traction motor blower on the Helper's side of the locomotive, then remove the two criss-cross structural braces.

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Save all hardware.

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4. Remove the eight traction motor blower mounting bolts and hardened washers.

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5. Loosen the two "push" bolts near the base of the traction motor blower and use the two "J" bolts to pull the traction motor blower away from the air filter assembly.

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6. Attach a come-along to the blower housing removal lug and carefully line up a forklift with the mounting base with the forks extended under the base, then pull the blower from the radiator cab onto the forks.

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7. Carefully set the traction motor blower on a skid in a level position.

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Traction Motor Blower Installation

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1. Clean the blower-mounting base in the radiator cab if needed.

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2. Install a new gasket and seal on the bulkhead of the filter box assembly.

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3. Place the traction motor blower into position on the mounting base using a forklift, then carefully slide the blower into position with a come-along attached to the pulling lug while aligning the blower with the opening in the air filter assembly.

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4. Near the base of the traction motor blower, use the two "push" bolts and "J" bolts to align the holes in the traction motor blower base with the holes in the radiator cab floor.

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5. Install the traction motor blower mounting hardware and torque the bolts to 280 to 300 lb.-ft. (380 to 407 Nm).

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6. Install the electrical connection box and support assembly to the platform, then secure with bolts and lockwashers.

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7. Connect the three motor leads to the traction motor blower electrical connection box terminals, ensuring that each lead is connected to the proper terminal, then tie-wrap the lead bundle to the tape rail.

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8. Install the criss-cross structural braces, and torque bolts to 329 lb.-ft. (446 Nm).

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9. Install the previously removed section of handrail.

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10. Verify correct blower air output by checking the exhaust port of the blower to ensure correct blower motor wiring, and ensure the proper air flow direction.

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Alternator Blower Removal

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1. Remove the bolts securing the roof hatch on the blower cab roof, then lift off the hatch with a crane and set it aside.

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2. Disconnect the three motor leads from the terminal block, keeping in mind the arrangement for later reassembly, then install the hardware back onto the terminal block studs.

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3. Remove the locknut from the motor lead flexible metal conduit near the terminal block.

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4. Carefully pull the flexible metal conduit and three motor leads back inside the blower cab.

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5. Remove the two nuts securing the alternator blower grease fitting lines to the floor of the blower cab on the Engineer's side of the locomotive.

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6. Remove the four alternator blower mounting bolts.

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7. Attach cable-lifting slings to the blower lifting lugs, and carefully lift the alternator blower out of the cab with a crane.

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8. Set the blower upright on a skid in a level position.

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Alternator Blower Installation

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1. Clean the old industrial-type putty strip from the alternator blower mounting surface in the blower cab, then apply a new strip to the mounting surface to ensure an airtight seal.

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2. Lift the alternator blower with a crane and clean the bottom mounting surface of the blower.

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3. Place the alternator blower into position in the blower cab ensuring that the dirty air exhauster inlet air flange engages the gasket on the cab duct.

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4. Install the alternator blower mounting hardware and torque to 200 lb.-ft. (271 Nm).

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5. Apply Mortite Sealant to the bottom of the connecting plate where the bolt holes are located and connect the grease fitting lines.

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6. With the grease fitting lines reconnected, fill the grease lines with the recommended grease.

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7. Reconnect the metal plate to the bottom of the platform using the two bolts while ensuring the grease lines are not twisted, then torque the bolts to 100 lb.-ft. (136 Nm).

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8. Carefully feed the three alternator blower motor leads and flexible metal conduit through the blower cab floor, then install the locknut to secure the motor lead conduit to the bottom of the blower cab.

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9. Connect the motor leads to the terminal block, ensuring that each lead is connected to the correct terminal.

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10. Lift and set the roof hatch on the blower cab with a crane, then install the hardware to secure the hatch of the blower cab.


