6.15 Repairs to compressor 6.16 Replacing the copper tube between manifold and compressor outlet / inlet 6.17 Replacing the IEC connector 6.18 Replacing the start relay (only for RG8.0) 6.19 Cleaning the particle filter Bosch Automotive Service Solutions GmbH F 002 DG9 H10...
4 | RG8.0 / RG4.0 | Symbols used Symbols used On the product In the documentation Observe all warning notices on products and ensure 1.1.1 Warning notices - Structure and meaning they remain legible. Warning notices warn of dangers to the user or people in the vicinity.
Danger: Risk of electric shock If moisture enters the refrigerant system, it is likely Touching live parts in the RG8.0 / RG4.0 to cause damage. Cover the ports of RG8.0 / RG4.0 causes fatal electric shock. ¶ with caps after service.
0. Else, replace the pressure gauges (refer chapter 6.5). 3. Switch off the mains supply to the RG8.0 / RG4.0. 4. Disconnect the power cable from the mains supply. 5. Disconnect the other end of the power cable from the power socket of the RG8.0 / RG4.0.
Overview of parts | RG8.0 / RG4.0 | 7 Overview of parts Parts list - RG8.0 Fig. 3: Exploded view of RG8.0 Position Part number Part description Position Part number Part description number number RGB800100 Compressor RGB480230 HMI cover RGB800120...
8 | RG8.0 / RG4.0 | Overview of parts Parts list - RG4.0 Fig. 4: Exploded view of RG4.0 Position Part number Part description Position Part number Part description number number RGB400100 Tube - Manifold to compressor inlet RGB480240 Front Panel...
For RG4.0 tion, open the inlet control valve (blue) and outlet control valve (red) valves. 3. Start the RG8.0 / RG4.0 and close the inlet valve. Part number Part Description The RG8.0 / RG4.0 should shut-off due to Low...
10 | RG8.0 / RG4.0 | Troubleshooting Symptom / Checklist Cause/Action Symptom / Checklist Cause/Action Problem Problem RG8.0 / RG4.0 Is the RG8.0 / RG4.0 Verify power to Poor Check if the parti- Clean or replace the does not start plugged into the cor- RG8.0 / RG4.0...
5.2.5 Of motor and the motor should be replaced. The RG8.0 / RG4.0 motors are equipped with auto- 5.2.6 Of power switch matic reset type thermal switch. If the motor stops 1. Execute the steps listed in chapter 3.1.
2. Open the inlet valve and close the outlet valve. 3. Remove the knob of the power switch (Fig. 3, Pos. 8) 3. Start the RG8.0 / RG4.0 and allow it to run until it / (Fig. 4, Pos. 9).
Repair | RG8.0 / RG4.0 | 13 Replacing the manifold assembly 12. Connect the copper tubings back to the manifold. 13. Restore the electrical connection to the HP and LP pressure switches. 14. Restore the earthing connection to the manifold.
14 | RG8.0 / RG4.0 | Repair Replacing the HP switch Replacing the condenser 1. Execute steps 1 to 8 listed in chapter 6.4. 1. Execute the steps listed in chapter 3.1. 2. Grip the manifold assembly in a bench vise.
Repair | RG8.0 / RG4.0 | 15 6.10 Replacing the fan 6.12 Replacing the capacitors 1. Execute the steps listed in chapter 3.1. 6.10.1 For RG8.0 2. Open the LH and RH enclosures. 1. Execute the steps listed in chapter 3.1.
16 | RG8.0 / RG4.0 | Repair 6.14 Replacing the compressor 6.17 Replacing the IEC connector 1. Execute the steps listed in chapter 3.1. 1. Execute the steps listed in chapter 3.1. 2. Open the LH and RH enclosures. 2. Open the LH enclosure.
CIRCUIT BREAKER (8 A) with female flag connector Brown Violet Black Yellow Blue color with male connector LP1 LP2 HP1 HP2 Fig. 8: Electrical terminal diagram for RG8.0, 230 V, 50 Hz variant F 002 DG9 H10 2018-08-21 Bosch Automotive Service Solutions GmbH...
CIRCUIT BREAKER (15 A) Blue color with female flag connector Yellow Black Blue with male connector Brown LP1 LP2 HP1 HP2 Fig. 9: Electrical terminal diagram for RG8.0, 110 V, 60 Hz variant Bosch Automotive Service Solutions GmbH F 002 DG9 H10 2018-08-21...
22 | RG8.0 / RG4.0 | Hydraulic connection diagram Hydraulic connection diagram For RG8.0 Fig. 12: Hydraulic connection diagram for RG8.0 F 002 DG9 H10 2018-08-21 Bosch Automotive Service Solutions GmbH...
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Hydraulic connection diagram | RG8.0 / RG4.0 | 23 For RG4.0 OUTLET FROM REAR AIR INLET GRILL FROM FRONT GRILL Fig. 13: Hydraulic connection diagram for RG4.0 Bosch Automotive Service Solutions GmbH F 002 DG9 H10 2018-08-21...
7. Assemble the valve plate between cylinder body and manifold. Install four cylinder bolts and tighten in a cross- pattern. Reinstall the compressor into the RG8.0 / RG4.0. Pressure up machine check for leaks . Bosch Automotive Service Solutions GmbH...
26 | RG8.0 / RG4.0 | Appendix 9.1.3 Compressor repair kit RGB400250 Fig. 16: Compressor assembly 1 Dia 27 O-ring 2 Dia 13 O-ring 3 Input valve spring 4 Output valve 5 Input valve 6 Piston seal 7 Dia 15 O-ring...
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25. Assemble the valve plate between cylinder body and manifold. 26. Install four cylinder bolts and tighten. 27. Reinstall the compressor into the RG8.0 / RG4.0. Pressure up and check for leaks. Bosch Automotive Service Solutions GmbH F 002 DG9 H10...
28 | RG8.0 / RG4.0 | Appendix 9.1.4 Shaft seal replacement kit RGB400260 Fig. 17: Compressor assembly 1 Dia 38 O-ring 2 5/8" shaft seal 3 Ball bearing 4 E-ring 1. Loosen the four nuts on the compressor body. 2. Remove seal plates and rings.
9. Place the other dia 206 O-ring into the valve plate and reinstall the cylinder head, tightening the four bolts in a cross pattern. 10. Reinstall the compressor. Pressure up the RG8.0 / RG4.0 and check for leaks. Bosch Automotive Service Solutions GmbH...
Adhere to the safety instructions in chapter 2 before proceeding with repair. To prevent equipment damage, do not kink, twist, bend, or grab the copper tubing inside the RG8.0 / RG4.0. 1. Unplug unit from power source. Remove enclosure halves, and tip the unit on end with fan facing up.
Appendix | RG8.0 / RG4.0 | 31 9.1.7 Valve repair kit RGB800230 The valve replacement kit contains four valve springs, four valves and eight O-rings. Fig. 20: Overview of cylinder head 6. Assemble the cylinder head to the compressor arid manually tighten head bolts.