Refrigerator Unit Air Supply - Modification
89vw07SUBJECT:
Refrigerator air supply modification (Dometic 182 models)
GROUP
76
NUMBER
89-01 August 4, 1989
MODEL(S):
Vanagon Camper 1980-present
Note
When troubleshooting an ignition problem on the refrigerator unit, verify spark and fuel are adequate prior to performing air supply modification
A refrigerator spare parts list, with ordering information, is supplied with each unit.
VW Parts Depots DO NOT carry Dometic refrigerator spare parts.
Air Pump Installed (Arrow)
Air Pump Removed (Arrow):
^ remove refrigerator
^ remove air pump assembly from refrigerator
^ disassemble air pump
^ drill out air outlet (arrow) of pump housing, using a # 40 drill bit (3.5 mm, approximately 9/64 in.)
^ disassemble air pump piston assembly
^ O-ring (arrow) is not part of original assembly
^ install O-ring (arrow)
^ O-ring may be obtained at local hardware or auto supply stores
^ reassemble air pump piston assembly with circlip in groove approximately mid-shaft
^ reassemble air pump
^ remove existing plastic air supply line (left arrow) with one-way check valve and discard
^ reinstall air pump (right arrow)
CAUTION Be careful not to puncture one way valve diaphragm.
^ drill out one-way check valve Volkswagen P/N: 055 131 101 at inlet and outlet (arrows) using a # 40 drill bit (3.5 mm approximately 9/64 in.)
CAUTION
Part numbers are for reference only. Always check with your Parts Department for latest information.
^ install replacement one-way valve between two lengths of 4 mm (approximately 5/32 in.) ID x 65 mm (2.5 in.) long, surgical tubing or equivalent (arrows)
Note
Be sure one-way valve is installed in proper direction.
CAUTION
To avoid pinching ignitor wire when reinstalling assembly, secure wire with tie wrap to rear of unit.
^ secure check valve to ignitor with tie-wrap (arrow)
^ reinstall refrigerator and check for proper operation
Labor operation:
Quality
Diag. Repair Check
7621510 --- 25 t.u. ---
Air supply modification*
*Does not include labor operation 7621110 - remove and install refrigerator.