IMO CIRCOR GLH8L-400 Series, Instruction Manual And Parts List

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remove hex bolts (51). Remove end cover (50). Take care not to damage o-ring (12) or
thrust plate (48).
3. Place a sling or lifting hooks on inlet head (37) (size 400 – 203 lbs.; size 462 – 275 lbs.).
Remove capscrews (20) and lockwashers (21) (size 400: 39 and 38, respectively).
Break inlet head (37) free from the case, taking care not to damage O-ring (12)
4. Rotate inlet head (37) so that the inlet flange is in the desired position, using care in
order to prevent damage to O-ring (12). Install capscrews (38) and lockwasher (39).
Tighten to a torque specification of 340 + 15 lbs. ft. (Size 400: 215 + 15 lbs. ft.)
5. Remove plug (19) that is now on the underside of the inlet head (37) in line with the seal
vent line (53) Install fitting (52), use either pipe thread compound on the threads to
ensure an airtight seal. Connect seal vent line (53) to fitting (52). Install plug (19) in the
tapped opening from which fitting (52) has been taken. Use pipe thread compound to
ensure an airtight seal.
6. Mount cover (50). Check to make sure O-ring (12) is properly seated in the face groove.
Align RTD ports in the plane of the idlers (41). Install hex bolts (51) and tighten to a
torque specification of 193 + 10 lbs. ft. (Size 400: 215 + 15 lbs. ft.)
MAINTENANCE
Special Tooling Required
•
Bearing Removal Tool (Figure 1) or Bearing Puller (2-jaw)
•
Power Rotor/Housing Removal Strongback (Figure 2)
•
¾-10 x 30” Allthread (Qty 2) (Bearing removal)
•
Blank (Power rotor/Housing removal)
•
1”-8 X 36” Allthread (Power rotor/Housing removal)
•
1”- 8 Hex nuts (qty 2) (Power rotor/Housing Strongback to inlet head)
•
7/8”- 9 X 14” Allthread (qty 2) and 7/8” Hex nuts and Hardened washers (qty 2
each) for size 400 (Housing removal)
•
1”- 8 X 14” Allthread (qty 2) and 1” Hex nuts and Hardened washers (qty 2 each)
for size 462 (Housing removal)
•
¾” Hex nuts and Hardened washers (Qty 2 each) (Bearing removal)
•
Bar stock 1 1/16” X 4” (qty 2) (Bearing removal)
•
½”-13 Jacking Bolt (qty 2) (Inboard cover removal)
•
3/8-16 x 2” Bolt (Stop pin removal)
•
5/8”-11 X 1-1/4” Eyebolts (qty 2) – optional for size 462 housing
removal/installation
•
1”- 8 X 7/8” Eyebolts (qty 2) – optional for size 462 housing removal/installation