Repair
12 312796R
Reassemble the Air Valve
1. Lubricate detent cam (104◆) and install into hous-
ing.
2. Lubricate the u-cups (108†◆) and install on the pis-
ton (102◆) with lips facing toward the center of the
piston.
3. Lubricate both ends of the piston (102◆) and instal l
it in the housing.
4. Lubricate and install the detent assembly (103◆)
into the piston.
5. Standard models (No DataTrak or DataTrak with
cycle count only): Lubricate new o-rings (106†✠◆)
and install on the end caps (107✠). Install the end
caps into the housing.
DataTrak models with runaway protection sole-
noid: Lubricate and install new o-ring (106†✠◆) on
bottom end cap (107✠). Lubricate and install new
o-ring (119†✠◆) and runaway reset button (118) on
top end cap (117✠). Install the end caps (107✠,
117✠) into the housing.
6. Install a snap ring (110◆✠ ) on each end to hold end
caps in place.
7. Install the spring (111◆).
8. M02xxx and M04xxx Motors: Lubricate and install
the air valve cup (112◆). Align the small round m ag-
net with the air inlet.
M07xxx, M12xxx, and M18xxx Motors: Lubricate
and install the cup o-ring (◆112b) on the cup body
(◆112a), then assemble the cup body to the cup
base (◆112c). Lubricate and install the cup assem-
bly. Align the small round magnet with the air inlet.
9. Install the valve plate (105◆). Tighten the screw s
(109†◆) to hold it in place.
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. 7: Air valve u-cup installation
Lips face down
Lips face up
108†◆
108†◆
102◆
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. 8: Cup installation
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. 9: Two-piece cup installation
Magnet
112◆
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◆112c
◆112b
◆112a
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