24
7.3
DISMANTLING PROCEDURE FOR ANNUAL INSPECTION (Continued)
Extract the set pins securing the discharge cover to the main casing body. (Fig. 8) Push the piston
rod to the bottom of the cylinder.
Carefully draw the cover clear of the piston rod/valve spindle. Care should be taken to prevent
damage to the actuator cylinder which is part of the cover.
At this stage, the slide valve can be withdrawn from the compressor for a visual inspection. (Fig. 9)
Fig. 8
Fig. 9
A light shone from the slide valve bore will permit a visual inspection of the rotors. (Fig. 10-11)
Fig. 10
Fig. 11
Summary of Contents for WRV
Page 1: ...WRV WRVi COMPRESSOR RANGE SERVICE MANUAL...
Page 3: ...2 SECTION 1 FOREWORD...
Page 5: ...4 HOWDEN SECTION 2 DESCRIPTION...
Page 10: ...9 SECTION 3 INSTALLATION...
Page 14: ...13 SECTION 4 FIRST START UP...
Page 16: ...15 SECTION 5 NORMAL OPERATION...
Page 18: ...17 SECTION 6 PROCEDURES DURING SHUTDOWN...
Page 20: ...19 SECTION 7 MAINTENANCE...
Page 33: ...32 SECTION 8 OVERHAUL...
Page 50: ...49 SECTION 9 SPECIAL INSTRUCTIONS...
Page 57: ...56 SECTION 10 SPARES...
Page 64: ...63 Printed in the UK Issue HCL September 2012 Howden Compressors Limited...