Page 69 - Machinery Component Maintenance

54 Machinery Component Maintenance and Repair

MACHINE NO. K-6251 DATES OF OVERHAUL
3 (INCLUSIVE)
4 SERIAL NO. 2-6-2264 .
INSTALLED ROTOR SERIAL NO,
5 REMOVED ROTOR SERIAL NO.
ENGINEER IN CHARGE

WEIGHTS: TOP HALF OF CASE 11,700 LBS. ROTOR 1300 LBS.
u) ROTOR: LENGTH (0.A.) 78 IN. LARGEST DIA. 25 112 IN.
ROTOR: 1ST CRITICAL 4mRPM 2ND CRITICAL R PM
ACCEPTABLE CLEANING MATERIALS: BLASTING: WALNUT HULLS
4 CLEANING: INHIBITED COI D CI FANFR
A
3 CASE BOLT TORQUE: DIAMETER ELONGATION TORQUE (FT.LBS. 1
a ENDS 1 518 IN. 0.018 IN. 3500
0 MA!N 2 114 IN. 0.025 u. 8000
CASE SEALANT COMPOUND: RTV-60
DATE OF MANUFACTURE AMOUNT REQUIRED FOUR 114 LB

DRIVE! HUB: ADVANCE
Q BOLT TORQUE
BLU CHECK
DRIVEN HUB: ADVANCE
5)
0 BOLT TORQUE
0 BLU CHECK
SHAFT END SPACING
MAXIMUM HYDRAULIC PRESSIJRE 2m00 PSI0 EXP.14000 PSlG PUSH

Figure 2-15. Critical data tabulation.

time available to achieve acceptable alignment. Under no circumstances
should alignment be compromised beyond a few thousandths off the de-
sired position nor excessive pipe strain be permitted on the machine. The
search for absolute perfection will, however, generally be rewarded with
time consuming frustration and an ultimate compromise in any case.

Miscellaneous Items
Any good shutdown/overhaul plan should include an inspection of aux-
iliary components. During the overhaul period is the time to clean lube
oil coolers, replace filters, overhaul lube oil pumps, etc. But beware of
introducing dirt into the system. Many a clean lube set and newly over-