Mack Trucks — 5-101.bk (EN)

5-101.bk Page 11 Friday, March 17, 2006 11:05 AM [215 SW] WATER PUMP [214 SD] TURBOCHARGER Refer to Figure 4-11. Refer to Figure 4-12. 1. Disconnect coolant return hose to air compressor (1) at fitting. 1. Remove two capscrews (3) securing turbocharger lubrication drain tube (4) to turbocharger (1). 2. Remove three mounting capscrews (3) and remove water pump (2). 2. Loosen hose clamp (5) securing drain tube to oil fill tube. Remove drain tube (4). 3. Remove turbocharger lubrication feed hose (2). 1 2 Beginning with May 1996 production, Schwitzer turbocharger models S300 and S400 replace models S3B and S4B. Service old with old and new with new.

Also note that with the S300 and S400 models, a stainless-steel braided oil feed line is used. 3 4. Loosen four turbocharger mounting nuts (6) and remove turbocharger (1). 3 3 200358a Figure 4-11 — Water Pump Removal 1. Air compressor coolant return line 2. Water pump 3. Capscrew Figure 4-12 — Turbocharger Removal Page 4-11 200 ENGINE DISASSEMBLY 1. Turbocharger 2. Lubrication feed hose 3. Capscrew 4. Lubrication drain tube 5. Clamp 6. Mounting nut