Page 1
4D84E-1 ENGINE This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America Corp. It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make changes or improvements at any time without incurring any obligation to install such changes on products sold previously.
Page 2
DIAGRAMS AND SCHEMATICS..........90-1 00-2 SK820-5N...
Smoke only in the areas provided for smoking. Never smoke Before starting work, remove the leads from the battery. while working. ALWAYS remove the lead from the negative (-) terminal first. SK820-5N 00-3...
Page 4
Due to the high voltage and amperage in this system, serious injury may occur. 16. When removing the track, the track separates suddenly, so never let anyone stand at either end of the track. 00-4 b SK820-5N...
Page 5
DIAGRAMS AND DRAWINGS This section has the hydraulic and electrical schematics. NOTICE The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your distributor for the latest information. 00-5 b SK820-5N...
Page 6
Example: 10-4 10-4-1 Added pages 10-4-2 10-5 Revised Edition Mark When a manual is revised, an edition mark (j …) is recorded on the bottom outside corner of the pages. 00-6 b SK820-5N...
While keeping the hood lifted, remove the retainer nut (4) from the shock absorber (5). [1] Engine hood: 15 kg (33 lb) Installation • To replace, reverse removal procedure. ★ Check the centre and the lock engagement adjustment. SK820-5N 50-17...
Page 8
(7), and the four pipes (8) on the LH side. ★ To disconnect the pipes, remove the retainer (9), push the pipe (6) completely inside the union (10) and extract the pipe (6). ★ Mark the tubes to avoid exchanging them during reassembly. 50-18 SK820-5N...
Page 9
13. Push the cab (15) gently towards its “at rest” position to relieve the tension on the safety cables (18), and disconnect them from the pins (19). WARNING! Apply a slight tension to the hoisting- tackle chains to prevent the cab from moving unexpectedly. SK820-5N 50-19...
Page 10
Adjust the stroke of the accelerator lever cable. (For details, see Section 30 TESTING AND ADJUSTING). Fill up the cooling circuit. Start the engine to circulate the liquid through all circuits. Stop the engine and check the level. 50-20 SK820-5N...
Page 11
Download the full PDF manual instantly. Our customer service e-mail: aservicemanualpdf@yahoo.com...
Need help?
Do you have a question about the SK820-5N and is the answer not in the manual?
Questions and answers