Danfoss BOCK F18 User Manual Download

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AX452438944357en-000301

F18/2735

FX18/2735

F18/3235

FX18/3235

F76/1570

FX76/1570

F76/2050

FX76/2050

F76/1800

FX76/1800

F76/2425

FX76/2425

F88/2735

FX88/2735

F88/3235

FX88/3235

BOCK

®

F18 / F76 / F88

F18 / F76 / F88

Service guide

Translation of the original instructions

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Summary of Contents for BOCK F18

Page 1: ...35 FX18 2735 F18 3235 FX18 3235 F76 1570 FX76 1570 F76 2050 FX76 2050 F76 1800 FX76 1800 F76 2425 FX76 2425 F88 2735 FX88 2735 F88 3235 FX88 3235 BOCK F18 F76 F88 F18 F76 F88 Service guide Translation...

Page 2: ...e compressor can result in serious or fatal injury Observe the safety instructions contained in these instructions Liability and warranty Manufacturer s liability and warranty are excluded if Alterati...

Page 3: ...use immediate fatal or serious injury DANGER Indicates a dangerous situation which by electrical current if not avoided will cause immediate fatal or serious injury WARNING Indicates a dangerous situa...

Page 4: ...dryer Expansion valve not functioning properly Check the setting of the expansion valve Solenoid valve on the liquid line not opening Check the control function 2 I Fault diagnosis Fault diagnosis In...

Page 5: ...ssible cause Remedy Cutoff through high pressure switch Condensing pressure too high Check the setting of the high pressure switch Adjust the switching points or replace switch Pressure valve of the c...

Page 6: ...or Check gaskets on valve plate change Valve plate damage Replace valve plate Internal safety valve has opened Replace safety valve see chapter disassembly assembly of the compressor Oil problems Prob...

Page 7: ...rigerant reaching the compressor Adjust check expansion valve Check refrigerant filling Check evaporator fan Icing up of the evaporator Oil shocks because of too much oil Check oil level Check the dim...

Page 8: ...ressor WARNING Before starting any work on the compressor Switch of the compressor and secure it against switching on again Relieve the compressor from system pressure Prevent air from infiltrating th...

Page 9: ...lose the suction and discharge line connection points on the system with plug Relieve the pressure before dismounting the compressor Removal of the compressor from the system shut off valves for compr...

Page 10: ...position 2060 2070 355 410 220 410 Tools Spanner SW 24 Working course F18 F76 355 410 F88 220 410 2060 2070 210 400 230 400 The compressor has to be depressurized Unscrew the fixing screws of shut of...

Page 11: ...st position 2220 507 517 Tools Oil collection container 10 Liter Spanner SW 19 Allen key 10 mm Working course F18 F76 505 F88 517 500 490 Position a suitable container to collect the oil underneath Un...

Page 12: ...screws at the cylinder cover and unscrew Remove cylinder cover with seals and valve plate 3 I Disassembly of the compressor ATTENTION The order for removal of the screws must be observed to avoid dam...

Page 13: ...urse 755 790 882 880 830 F88 850 Place the oil collection container under the shaft seal area Unscrew the screws Remove the feather key woodruff key the shaft seal cover with the floating ring the gui...

Page 14: ...of the compressor 5 Remove baseplate Position in parts list Parts list position 20 30 40 Tools Spanner SW 19 Working course 40 20 30 Place the compressor into the oil collection pan and turn it sidew...

Page 15: ...2100 2100 2040 300 295 290 Unscrew the hexagon head screws from the connecting rod cap Mark the connecting rod cap and remove it Push the piston and connecting rod upwards as far as it goes Remove th...

Page 16: ...the compressor 7 Remove front bearing flange Position in parts list Parts list position 2140 Tools Spanner SW 17 Working course 750 730 745 F76 735 736 F88 2250 Losen the screw at the front bearing fl...

Page 17: ...n 000301 17 3 I Disassembly of the compressor 8 Remove crankshaft Position in parts list Parts list position 2050 Tools Working course 780 790 Pull out the crankshaft carefully in direction of the fro...

Page 18: ...p and rear bearing flange Position in parts list Parts list position 2020 2110 760 Tools Spanner SW 13 SW 17 Working course 480 485 460 470 760 740 765 Losen the screw at the oil pump and unscrew Remo...

Page 19: ...040 Tools Needle nosed pliers Working course 2040 280 270 2030 2100 Mark corresponding pistons of cylinder bore Remove the piston connecting rod in direction of baseplate Remove circlips of the piston...

Page 20: ...88 510 500 F18 F76 540 F88 540 550 560 F18 F76 545 F88 545 546 547 531 534 500 600 Losen screws on sight glass and unscrew Take off sight glass and remove O ring Remove the 1 8 NPTF locking screws Rem...

Page 21: ...parts for damages and wear CAUTION Remaining oil can cause eye injury When compressed air is used remaining oil can splash out of the oil channels Wear protective googles Pistons There should be no v...

Page 22: ...to turn the oil pump by hand turning to the left and to the right In the removed conditioning the reversing device of the oil pump must switch over audibly Oil filter suction filter The filter screen...

Page 23: ...0 mm 5 I Assembly of compressor Assembly of compressor The assembly of the compressor is explained in separate steps on the following pages The indicated parts list positions refer to the spare parts...

Page 24: ...5 F88 545 546 547 531 534 500 600 Apply the sight glass with oiled O ring Fix the sight glass with the screws Screw in 1 8 NPTF locking screws Screw in M33 x 2 locking screws and seal Screw in srew in...

Page 25: ...nnecting rod Position in parts list Parts list position 2040 Tools Needle nosed pliers Working course 2030 2100 270 280 Assemble piston and connecting rod with piston pin use some oil for easier assem...

Page 26: ...rk it Apply a little oil to the cylinder bore Insert pistons connecting rods from below into the cylinder liners Pay attention to the correct assembly position suction fin grooves Install double bevel...

Page 27: ...play of the crankshaft should be min 0 2 mm max 0 5 mm F18 F88 resp max 0 75 mm F76 When parts of the driving unit of the compressor have been repaired or replaced an accurate measurement of the end...

Page 28: ...I Assembly of compressor 5 Fitting the crankshaft Position in parts list Parts list position 2050 Tools Working course 780 790 Fit the crankshaft so that the drive journal engages into the gump gear a...

Page 29: ...tall the front bearing flange with oiled gasket to the body so that the hole for the leak oil collection ring faces upwards If present insert thrust washer and dowel pin Tighten the screws 5 I Assembl...

Page 30: ...ston ring plier and insert the piston into the cylinder liner Place the marked connecting rod caps onto the related connecting rods Screw on the connecting rod caps and tighten Turn the crankshaft by...

Page 31: ...0 Install the baseplate with the seal Tighten the M12 x 80 F18 F88 resp M10 x 60 F76 screws 5 I Assembly of compressor ATTENTION The order for assembly of the screws must be observed to avoid damage s...

Page 32: ...t Rotate all parts until the spring is engaged in the guide ring Avoid scratches on the floating ring Install the shaft seal cover with the seal The inscription TOP must be at the top Press the shaft...

Page 33: ...valves plates seals above and cylinder cover together First tighten the screws M8 x 70 by hand Then screw in M10 x 90 and M10 x 110 screws ATTENTION The order for assembly of the screws must be obser...

Page 34: ...position 2220 500 505 516 517 Tools Spanner SW 19 allen key 10 mm torque spanner Working course 490 F18 F76 500 F88 516 F18 F76 505 F88 517 With the allen key screw on the filter into the hole in the...

Page 35: ...Position in parts list Parts list position 2060 2070 355 410 220 410 Tools Spanner SW 24 torque spanner Working course 210 400 230 400 2060 2070 F18 F76 355 410 F88 220 410 Oil seals Put in the suctio...

Page 36: ...Climate Solutions 2023 09 13 Final assembly Position in parts list Parts list position Tools Working course Do the next step such as commissioning according to the installation instructions of the com...

Page 37: ...7en 000301 37 Online link to VAP Compressor selection program for additional information eg spare part lists exploded drawings https vap bock de In the event of inquiries please contact our Department...

Page 38: ...38 AX452438944357en 000301 Danfoss Climate Solutions 2023 09...

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