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Tram case ....................................................................5
BI016912-04 (EN-US)
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To remove the tram case:
1. Lower the conveyor tail section until it is level with the floor.
2. Raise the gathering head and cutter head and place a small stack of blocking under these two assemblies.
WARNING! You could be seriously injured or killed by falling loads. Observe the safe working load limits of all blocking devices.
3. Lower the gathering head and cutter head onto the blocking so that the front end of the miner lifts off the floor.
4. Extend the stabilizer completely so that the rear end of the miner lifts off of the floor.
5. Place blocking in multiple locations under the miner tram track. When the miner is lowered, the tram track should be secured between the blocking and the tractor frame.
WARNING! You could be seriously injured or killed by falling loads. Observe the safe working load limits of all blocking devices.
6. Raise the stabilizer and the gathering head and cutter head assemblies so the weight of the miner rests on the blocking.
7. Disconnect the trailing cable to de-energize the miner. Follow all Federal and mine regulations for lockout/tagout.
WARNING! Follow all federal and mine lockout/tagout regulations. Failure to do so could result in machine damage or serious injury or death to personnel.
8. Remove the two rub rail pins that secure the tram rub rail to the two rub rail sections adjacent to it and remove the tram rub rail to expose the tram case.
9. Remove the hex head capscrew and lock washer that secure the front rub rail to the tractor frame and open the front rub rail cover.
10. Attach the grease gun to the front idler take-up cylinder fitting (Fig. 196) and pump grease into the take-up cylinder to extend the cylinder and remove pusher plate pressure on the idler shims.
11. Remove all the idler adjustment shims and store the shims in a safe place.
12. Open the pressure release valve for the front idler take-up jack and allow the cylinder to contract.
Fig. 196: Idler take-up cylinder
Pressure release valve Idler take-up cylinder
Grease fitting
Idler adjustment shims
13. Locate a tram track link near the track entry opening at the bottom of the tram case (Fig. 197) and, using a hammer and punch, remove the two roll pins that secure the tram track pin between the links. Store the roll pins in a safe place.
14. Using the hammer and punch, remove the tram track pin to disconnect the links and separate the track. Store the track pin in a safe place.
Fig. 197: Tram track removal
Roll pins Separate track here
Tram track pin
BI016912-04 (EN-US)
15. Attach guide wires to the end of the tram track that passes through the tram case.
16. Connect the trailing cable to energize the miner.
17. Use the tram motor to slowly rotate the sprocket so that the end of the tram track that passes through the case is pulled up through the case and rolls off the sprocket.
18. Disconnect the trailing cable to de-energize the miner. Follow all Federal and mine regulations for lockout/tagout.
WARNING! Follow all federal and mine lockout/tagout regulations. Failure to do so could result in machine damage or serious injury or death to personnel.
19. Pull on the tram track from the front of the miner (near the idler) so that the free end of the tram track is pulled clear of the tram case exit opening.
20. Remove the tram motor (see Tram motor removal and installation procedure in this chapter).
21. Remove the bolts and washers from the sprocket and motor sides of the tram case.
22. Place a stack of blocking in front of the tram case onto which the case can be removed.
WARNING! The next step removes the tram case from the tractor frame. The tram case (with sprocket and reach gears) is extremely heavy. Be prepared to support the tram case before removing it from the tractor frame.
WARNING! Ensure that the electrical cables and cooling water hoses for the tram motor are free from the tram cases before attempting to remove the tram case from the tractor frame.
23. Carefully slide the tram case out from the tractor frame and onto the blocking.
WARNING! You can be seriously injured or killed by falling loads. Observe the safe working load limits of all blocking devices.
24. Pull the tram track guide wires out of the tram case exit opening and secure the wires to the tractor frame.
tram case installation To install the tram case:
1. Block up the tram case adjacent to its tractor frame position at a level that makes it easy to slide the case into the tractor frame.
WARNING! You could be seriously injured or killed by falling loads. Observe the safe working load limits of all blocking devices.
2. Thread the guide wires through the tram case exit opening, between the sprocket gears, and out the tram case entry opening.
3. Slide the tram case into position in the tractor frame.
IMPORTANT! The guide wires will be used to pull the tram track links onto the tram case sprocket after the tram case is installed.
WARNING! Before attempting to slide the tram case into the tractor frame, ensure that the tram motor electrical and water connections are out of the way. Failure to do so may result in damage to the electrical and water connections.
4. Slide the tram case into position in the tractor frame.
5. Install the bolts that secure the motor side of the tram case to the tractor frame.
6. Install the bolts that secure the sprocket side of the tram case to the tractor frame.
7. Replace the tram motor (see Tram motor removal and installation procedure in this chapter).
8. While feeding the tram track from the front of the miner (near the idler), pull on the tram track guide wires until a link of the tram track engages the sprocket.
9. Connect the trailing cable to energize the miner.
WARNING! Stand clear of the miner when using the motor to pull the tram track through the tram case.
10. Use the tram motor to slowly rotate the sprocket and pull the tram track through the case until the end appears out the bottom.
WARNING! Double check that the links of the tram track are correctly seated onto the tram drive sprocket. Improper engagement of the tram track links onto the sprocket can cause serious mechanical damage.
BI016912-04 (EN-US)
11. Disconnect the trailing cable to de-energize the miner. Follow all Federal and mine regulations for lockout/tagout.
WARNING! Follow all federal and mine lockout/tagout regulations. Failure to do so could result in machine damage or serious injury or death to personnel.
12. Remove the guide wires from the tram track.
13. Connect the two ends of the tram track and using the hammer and punch, insert the track pin to secure the two track links together.
14. Using the hammer and punch, insert the two roll pins into the track pin to secure the pin in the links.
15. Adjust the tram track tension (see Tram track adjustment procedure in the Adjustment procedures section of this chapter).
16. Close the front rub rail cover and replace the hex head capscrews and lock washers that secure the front rub rail to the tractor frame.
17. Replace the tram rub rail between the two adjacent rub rails and secure it with the two rub rail pins.
18. Connect the trailing cable to energize the miner.
19. Remove blocking.
20. Fill gear case to proper level with lubricant.
