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Service Instructions
124843E Rev. C
August 2015
9
Section 2: Actuator Disassembly
Actuator Disassembly
2�3
Drive Module Disassembly
NOTE:
Review Section 2 steps 2.1.1 through 2.1.3 General Disassembly before proceeding with
drive module disassembly.
2.3.1
If not already removed remove piston rod (3-40) from drive module.
2.3.2 Mark stop screws (1-180) left and right.
NOTE:
The setting of stop screws (1-180) should be checked and setting recorded before stop
screws are loosened or removed. Stop screws will be removed later in this procedure.
For steps 2.3.3 through 2.3.10 refer to assembly drawing sheet 2 Section A-A and Detail “J”.
2.3.3 Before removing position indicator (1-220), record or mark its position. Remove
position indicator (1-220).
NOTE:
Step 2.3.4 is used only on G01, G2 and G3 drive modules. Drive modules G4 through G10
will skip steps 2.3.4 and continue with step 2.3.5.
2.3.4 Remove one vent check assembly (13) from top of housing cover (1-20).
2.3.5 Unscrew and remove hex cap screws (1-160) with lockwashers (1-170) from
yoke cover (1-150).
2.3.6 Remove yoke cover (1-150) from housing cover (1-20).
2.3.7 Mark and record the orientation of the position indicator assembly (1-140) in
relation to the top of yoke (1-70).
2.3.8 Remove position indicator assembly (1-140) from top of yoke (1-70).
2.3.9 Remove spring pin (1-100) from top of yoke (1-70).
2.3.10 Remove hex cap screws (1-110), with lockwashers (1-115) from housing cover (1-20).
NOTE:
Steps 2.3.11 and 2.3.12 are used only on G7, G8 and G10 drive modules. Drive modules
G01, G2, G3, G4 and G5 will skip steps 2.3.11 and 2.3.12 and continue with step 2.3.13.
2.3.11 Remove hex cap screws (1-120), with lockwashers (1-115), from housing cover
(1-20).
2.3.12 Using hex cap screws (1-110), install into holes vacated by hex cap screws
(1-120). Use these hex cap screws to jack the housing cover up for removal.
Alternately rotate the hex cap screws clockwise until housing cover (1-20) is
clear of housing (1-10).