Exhaust System Repair
100 YRM 1316
Exhaust System Repair GM 4.3L ENGINE FOR LIFT TRUCK MODELS GLC/GDC60VX, GLC/GDC70VX (GC/GLC/GDC135VX, GC/GLC/GDC155VX) (C879, D879, E879, F879)
11. Disconnect the lower exhaust pipe from the bellow pipe.
NOTE: For lift trucks equipped with engine indicated above, see the Fuel System service manual for your lift truck model.
13. Disconnect the upper header exhaust pipe from the turbo manifold exhaust.
CUMMINS QSB 3.3L ENGINE FOR LIFT TRUCK MODELS GLC/GDC60VX, GLC/GDC70VX (GC/GLC/GDC135VX, GC/GLC/GDC155VX) (C879, D879) Remove NOTE: If the lift truck is equipped with the standard exhaust system, go to Step 6. 1. Remove the clamp attaching the overhead guard exhaust pipe to the lower overhead guard exhaust pipe. See Figure 46.
12. Disconnect the bellow pipe from the upper header exhaust pipe.
Inspect Inspect the following items in the exhaust system: • Exhaust pipes for damage, corrosion, and rust. Replace as needed. • If equipped, exhaust wraps for wear, proper fit, contamination with oil or antifreeze, gaps in coverage, failed fasteners and replace as needed. If replacing an exhaust pipe section that has a wrap, also replace the wrap. Do not reuse wraps if they have been removed for a service operation. • Muffler for damage, corrosion, and rust. Replace as needed.
Install
2. Remove the capscrews from the flange cover. 3. Remove overhead exhaust pipe and flange cover from the counter weight. 4. Remove the counterweight from the lift truck. See Counterweight Replacement.
1. Connect the upper header exhaust pipe to the turbo manifold exhaust. 2. Connect the bellow pipe to the upper header exhaust pipe. 3. Connect the lower exhaust pipe to the bellow pipe.
5. Remove clamp and lower overhead guard exhaust pipe from muffler.
4. Install the clamp to the lower header exhaust pipe and exhaust mounting brackets.
6. Remove the turbo manifold–exhaust wrap, upper header–exhaust wrap, bellow pipe–exhaust wrap, lower header–exhaust wrap, and upper tail pipe–exhaust wrap.
5. Install the clamp to the upper tail pipe and lower header exhaust pipe, and install the upper tail pipe to the lower header exhaust pipe.
7. Remove the turbo exhaust clamp.
6. Install the clamp to the muffler and upper tail pipe, and install the muffler to the frame of the lift truck.
8. Remove the clamp from the muffler and upper tail pipe, and remove the muffler from the lift truck.
7. Install the turbo exhaust clamps.
9. Remove the clamp from the upper tail pipe and lower header exhaust pipe, and disconnect the upper tail pipe from the lower header exhaust pipe.
8. Install the upper tail pipe-exhaust wrap, lower header-exhaust wrap, bellow pipe-exhaust wrap, upper header-exhaust wrap, and turbo manifold-exhaust wrap.
10. Remove the clamp from the lower header exhaust pipe and exhaust mounting bracket.
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9. Install clamp and lower overhead guard exhaust pipe to muffler.