Engine Assembly - Top End; Piston Ring Installation - Taylor-Dunn G0-010-00 Service And Replacement Parts Manual

ENGINE ASSEMBLY - TOP END

PISTON RING INSTALLATION

NOTICE
Apply clean engine oil to all ring surfaces and ring lands
upon installation. Always check piston ring installed gap
before rings are installed on piston (see Chapter 3 –
Piston Ring Installed Gap page
carbon from piston ring grooves and oil ring lube holes
if piston has been in service.
REF DESCRIPTION
q Top Ring (Marking up)
w Second Ring (Marking up)
Upper Rail
e
r Spring Expander
t Lower Rail
1. Place oil control ring expander in oil ring groove.
Rotate expander in groove until butt ends are on PTO
side of piston (see illustration 1).
NOTICE
Ends must butt squarely together and must not overlap.
2. Install lower ring with end gap positioned as shown in
Step 3.
9929758 R01 - 2019 TAYLOR-DUNN G-100 Service Manual
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3. Install upper ring with end gap positioned as shown.
). Clean accumulated
4. Install second ring with marking facing top of piston.
5. Install top ring with mark facing top of piston. Rotate
6. Be sure top and second rings rotate freely in their
ENGINE / COOLING SYSTEM
REF DESCRIPTION
y Upper Ring Gap Position
u Lower Ring Gap Position
Spring Expander Gap Position
i
(PTO Side)
Rotate ring to position the end gap toward intake side
of piston as shown below.
ring to position the end gap toward exhaust side of
piston as shown below.
REF DEFINITION
o Second Ring Gap Position
a Top Ring Gap Position
grooves and do not bind when compressed by hand.
3
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