Engcon EC233 - Page 4

Table of Contents
5.8.3. Control system 9-2 (for machines with two or more proportionally
controlled hydraulic circuits)................................................................................
25
5.8.4. Control system 1 (for machines with double-acting hydraulic circuit).......26
5.8.5. Control system 15 (for machines with double-acting hydraulic circuit).....26
5.8.6. Externally controlled quick hitch lock – SQ/QSC..................................... 26
5.9. Changing tools.................................................................................................26
5.9.1. Connecting the tool, hydraulic lock..........................................................26
5.9.2. Disconnecting the tool, hydraulic lock..................................................... 29
5.9.3. Connecting the tool, mechanical lock...................................................... 30
5.9.4. Disconnecting the tool, mechanical lock..................................................32
5.10. Fitting and setting up quick hitch locks......................................................... 32
6. Maintenance
6.1. General............................................................................................................ 36
6.2. Daily inspections..............................................................................................37
6.3. Special maintenance....................................................................................... 39
6.3.1. EC-Oil.......................................................................................................39
6.4. Lubrication every 8 operating hours................................................................40
6.4.1. Tiltrotator lubrication................................................................................ 41
6.4.2. Greasing the quick hitch..........................................................................42
6.4.3. Lubrication, integrated grab GR10, GR20............................................... 43
6.4.4. Lubrication, integrated grab GR20RR..................................................... 43
6.5. Service every 250 operating hours................................................................. 44
6.5.1. Shimming, tilt upper section.................................................................... 44
6.6. Checking axial and radial play........................................................................ 44
6.7. Checking lateral play.......................................................................................45
6.8. Checking rotational play..................................................................................46
6.8.1. Thrust washers........................................................................................ 46
6.8.2. Significance of rotation play.....................................................................47
6.8.3. ePS.......................................................................................................... 47
6.9. Tightening torque.............................................................................................47
7. Troubleshooting
7.1. Q-Safe............................................................................................................. 50
7.1.1. Indications................................................................................................ 50
7.2. HS and SW with sensor..................................................................................52
7.2.1. Indications................................................................................................ 52
7.3. ePS/C2C..........................................................................................................53
7.3.1. Indications................................................................................................ 53
8. Decals
8.1. Decal disposition............................................................................................. 54
8.1.1. Control systems 9 and 10....................................................................... 54
8.2. Warning decals................................................................................................54
8.2.1. Warning decals in cab............................................................................. 54
8.2.2. Warning decals on product......................................................................55
8.2.3. Symbol legend......................................................................................... 55
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