Remove point from welded tooth shank by hammering at “A” on tooth point or by driving a chisel at “B”, just between tooth point box section and tooth shank. Install new point and anchor it to shank by peening at location shown. It a tooth shank breaks off, becoming lost or damaged so that is cannot hold a tooth point, a new shank should be welded to bucket. TIGHTENING NUTS AND BOLTS Periodically check to be sure all bolts and nuts are tight (See Torque Chart). Check all pivot pins for cotter pin

Particularly suitable for urban work, these engines have significantly reduced noise levels, one of the lowest fuel consumptions on the market. Engine rotation speed checking via an electric potentiometer. Manual return to idle, control on RH control lever. Engine pre-heating. High performance filtration circuit enables oil change intervals to be extended to every 500 h. Make ........................................................................................... ISUZU Type ..................

Ref. Comments Revision Drawing Image Number dwg20542 CYL DIPPER BH1560 839-683C CYL.,DIPPER BH1575 839-506C DYNA-SEAL 7/8" BH 1. Found only in seal kit item #9 PISTON, 2 1/2" BH 839-639C2. PISTON SEAL 2 1/2" BH 3. Found only in seal kit item #9 CYL HEAD 2 1/2" BH 839-641C4. BACK UP RING 2 1/2" BH 5. Found only in seal kit item #9 O-RING 2 1/2" BH 6. Found only in seal kit item #9 ROD SEAL 2 1/2" BH 7. Found only in seal kit item #9 ROD WIPER 2 1/2" BH 8. Found only in seal kit item #9 SEAL KIT 2

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lbs. torque to tighten assembly screw on spring centered bonnet assembly. 8. At the FRONT of the valve remove all parts connected to the spool (handle, linkage, etc.). 9. At the FRONT of the valve remove seal plate retainer, seal retainer, back-up washer and spool O-ring seal. 10. Thoroughly clean counterbore. 11. Lightly oil new O-ring seal. Slide O-ring seal over valve spool and insert in seal counterbore. Replace back-up washer, seal retainer, and seal plate retainer. 12. Reattach all parts c

yd.), 1370-mm (54 in.] weight; and 900-mm (36 in.) double-bar grouser shoes 3558-kg (7,844 lb.) bucket; 4.4-m (14 ft. 5 in.) arm; 13 300-kg (29,321 lb.) counter- SAE Operating Weight 87 659 kg (193,255 lb.) Component Weights Undercarriage with Double-Bar Grouser Shoes 650 mm (26 in.) 32 350 kg (71,320 lb.) 750 mm (30 in.) 33 050 kg (72,863 lb.) 900 mm (36 in.) 33 990 kg (74,935 lb.) 1020 mm (40 in.) 34 420 kg (75,883 lb.) One-Piece Boom (with arm cylinder] 8.4 m (27 ft. 7 in.) 82

See item 30 at the end. 26. Worn control valve - replace the control valve. 27. Check poppet in the control valve not holding - clean check poppet(s) carefully, being sure that it moves freely with good spring action and seats properly or replace. See item 30 at the end. 28. Damaged or worn spool seals - replace spool end seals, see item 30 at the end. 29. Ball in anti-cavitation check valve is stuck or not seating properly - clean anti-cavitation valve carefully, being sure that checks move fre