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© Danfoss | Climate Solutions | 2023.09

AX452438944357en-000301 | 15

3 I Disassembly of the compressor

6

Disassembly connecting rods from the crankshaft

Position in
parts list

Parts list position:

2040, 2100

Tools: Spanner SW 13

Working course

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 the piston rings

- The same procedure should be applied for the remaining connecting rods

INFO!

In order to prevent any mix-up during reassembly, mark the connecting rods and caps

belonging together clearly and in a wipe-resistant fashion!

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Содержание BOCK F18

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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