17
Step 1
Remove the driver and gearbox from the compressor housing as follows:
(3X2 compressor case shown in photo)
Vertical units without a driver stand (shown here)
Remove attaching hardware and lift driver from gearbox. Remove nuts (914A) from compressor
casing studs. Lift the gearbox and seal housing from the compressor casing, taking care not to
damage the impeller. Place the gearbox on a suitable support with the impeller inclined upward.
Vertical units with a driver stand
Remove bolts (909D) securing the coupling guard. Remove the coupling guard. Disengage both ends
of the spacer coupling and remove the floating shaft. Remove nuts (914A) from the compressor
casing studs and release the stiffening brackets. Attach the integral turnbuckles to the gearbox
bearing plate (102). Using the turnbuckles, lift the gearbox and seal housing from the compressor
casing. Exercise care to prevent damage to the impeller. Place the gearbox on a suitable support with
the impeller inclined upward.
BMC Units
Remove bolts (909D) securing the coupling guard. Remove the coupling guard. Disengage both ends
of the spacer coupling and remove the floating shaft. Attach a hoist to the gearbox using eyebolts in
the tapped holes on the bearing plate. Eyebolts can also be placed in the gearbox input housing as in
above photo. Remove nuts (914A) from the compressor casing studs and disconnect gearbox
bracket (BK01AW04) from the main base. Store any shims between the bracket foot and the main
base. Remove the gearbox and seal housing from the compressor casing by moving them toward the
driver until the impeller clears the compressor casing. Place gearbox on a suitable support with the
impeller facing upward.
Summary of Contents for LMC 341F
Page 32: ...28 Figure 5 1 Compressor Cross Section and Clearances ...
Page 69: ...65 SINGLE SEAL ARRANGEMENT ...
Page 70: ...66 DOUBLE SEAL ARRANGEMENT ...
Page 71: ...67 TANDEM SEAL ARRANGEMENT ...
Page 73: ...69 Phoenix Compressor Gearbox Cross Sectional View ...
Page 74: ...70 ...
Page 75: ...71 PHOENIX GEARBOX MODULE DRAWING GB01AY01 ...
Page 76: ...72 ...
Page 77: ...73 ...
Page 78: ...74 ...
Page 79: ...75 ...
Page 80: ...76 ...
Page 81: ...77 ...