Ariel JGI, Technical Manual

Page: 51 / 178

F
OR
M
ODELS
: JGI, JGM, JGN, JGP
AND
JGQ S
ECTION
3 - S
TART
U
P
9/08 PAGE 3-5
17. Check crosshead guide shimming for correct pre-load and
hold down bolt torque.
Commissioning Agent:
__________________
Distributor:
___________
18. Record piston end clearances with feeler gages (see Technical Manual, Section 1, Clearances).
Throw 1 2 3 4 5 6
Head End _________ _________ _________ _________ _________ _________
Crank End _________ _________ _________ _________ _________ _________
NOTE: Pre-lube compressor before turning crank-
shaft.
Commissioning Agent:
__________________
Distributor:
___________
19. Measure and record rod run out (see Technical Manual, Section 5 for maximum acceptable readings).
Throw 1 2 3 4 5 6
Vertical:
Piston @ CE _________ _________ _________ _________ _________ _________
Mid-Stroke _________ _________ _________ _________ _________ _________
Piston @ HE _________ _________ _________ _________ _________ _________
Horizontal:
Piston @ CE _________ _________ _________ _________ _________ _________
Mid-Stroke _________ _________ _________ _________ _________ _________
Piston @ HE _________ _________ _________ _________ _________ _________
NOTE: Pre-lube compressor before turning crank-
shaft.
Commissioning Agent:
__________________
Distributor:
___________
20. Measure crosshead clearances with cylinders mounted.
To check top, insert 0.5 inch (12.7 mm) wide feelers from
one side edge across to the opposite side, at both ends.
See Technical Manual, Section 1 for limits. To check bot-
tom, insert a 0.0015 inches (0.038 mm) feeler at the four
corners; feeler should insert no more than 0.50 (13 mm).
Record feeler values below:
Throw Top Min. Top Max. Bottom Max. (Corners)
1 _________ _________ _________
2 _________ _________ _________
3 _________ _________ _________
4 _________ _________ _________
5 _________ _________ _________
6 _________ _________ _________
Commissioning Agent:
__________________
Distributor:
___________
21. For electric motor drivers, check and verify the motor shaft
is set at its magnetic center before positioning axial clear-
ance. With the coupling disconnected, check and verify
driver rotation matches the compressor rotation arrow.
Commissioning Agent:
__________________
Distributor:
___________
22. Check coupling bolt torque to coupling manufacturer
recommendations.
Commissioning Agent:
__________________
Distributor:
___________
START-UP CHECK LIST - ITEMS TO CHECK IN THE FIELD AT COMMISSIONING
Description Date Checked Date Verified