• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA30D1FF20GYZ
  • Topic ID: id_13106669 Version: 1.3
  • Date: Jul 6, 2019 12:03:29 AM

Actuator

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
10 minutes120 minutes0 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Spanners (1/2,3/4,3/8,7/16,5/16,32)One for each size---
Circlip inserter (A-150,A170)One for each size---
Hex. Socket (9/16,3/4,3/8)One for each size---
Scale (15cms & 30 cms)One for each size---
Ball driver (5/32,5/64,3/32,1/8,7/64,9/16)One for each size---
Allen key (5/32,5/64,3/32,1/8,7/64,9/16)One for each size---
Flat nose plier----
Cutter----
Copper hammer----
Screw driver (8mm, 4mm)One for each size---
Knife ----
Soft mallet----
Torque wrench (40-120 kg-cm,10 –50 lb-ft)----
Table 3. Consumables
ItemQuantityEffectivityPart numberManufacturer
Locktite / Primer (242, 569, 680, 415, 770)One for each size---
IPA----
White Marker----
Grease Mobil HSC 32----
Cotton waste White (High grade)----
Table 4. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
Refer to Low Height Fixed Table FRU Manual1---
Table 5. Safety

Procedure

  1. Ensure shut down PHPS and power to Megaswitch.
  2. Disassemble base covers, all scissor covers, rear support.
    Figure 1. Disassemble base covers, all scissor covers, rear support
  3. Disconnect cables in dock frame area, disconnect table with dock frame.
    Figure 2. Disconnect cables in dock frame area, disconnet table with dock frame
  4. Install casters, lower leveling pads if necessary, heighten leveling pads after casters are installed. Move the table out of bay.
    Figure 3. Install casters, lower leveling pads if necessary, heighten leveling pads after casters are installed. Move the table out of bay
  5. Lower leveling pads to touch ground.
  6. Use screw rod to support.
    Figure 4. Use screw rod to support
  7. First disconnect bottom actuator pin, then disconnect top pin.
    Figure 5. Disconnect bottom actuator pin
    Figure 6. Disconnect top pin
  8. Use screw rod to move table to near mid position (propose to deliver actuator when half extended).
  9. First install bottom pin, then top pin.
    Figure 7. Install bottom pin
    Figure 8. Install top pin
  10. Install mid scissor covers, then top scissor covers, ensure min. 3mm gap.
    Figure 9. Install mid scissor covers
    Figure 10. Install top scissor covers
    Figure 11. Ensure min. 3mm gap
  11. Heighten leveling pads, lower casters to topmost position, push table back to bay.
    Figure 12. Heighten leveling pads, lower casters to topmost position, push table back to bay
  12. Push table back Lower leveling pads, remove casters Align table height with magnet and level table by adjusting leveling pads.
  13. Tighten table with Dock frame and connect all cables.
  14. Install rear supporter.
  15. Install bottom scissor covers, ensure min. 3mm gap.
  16. Install base covers and caps Install dock cover.
  17. Shut up PHPS and power to Megaswitch.

Finalization

  1. Turn the system power ON. Refer to Lockout / Tagout for System Cabinet PDU Main Breaker.
  2. Level the Table and perform Height Adjustment. Refer to LEVELING FIXED TABLE and TOP HEIGHT ADJUSTMENT.
  3. Fix the FRP Covers of the Table.
  4. Perform CRADLE HOME SENSOR CHECK .
  5. Check the Table Function. Refer to TABLE CHECKS AFTER INSTALLATION .
  6. Perform Express Coil MCQA Test to check that the PA coil cable is properly connected.