4-22 - POWERHEAD 90-826148R2 MARCH 1997
Assembling Rod to Piston
CAUTION
DO NOT intermix new needle bearings with used
needle bearings. Needle bearings MUST BE RE-
PLACEDASASET.DONOTintermixneedlebear-
ings from one connecting rod with those of
another connecting rod.
1. Place clean needle bearings on a clean sheet of
paper and lubricate with Quicksilver Needle
Bearing Lubricant.
Service Tip
51228
If the tip of an awl can be inserted between needle
bearings,oneormoreneedlesare missing andmust
be replaced.
2. Install needle bearings.
a b
51081
a - Needle Bearings (29)
b - Sleeve [from Piston Pin Tool (91-74607A2)]
3. Place locating rings on connecting rod, carefully
place piston over end of rod. Refer to scribed
identification number for matching rod to piston
and direction of assembly (which side of rod is
“UP”).
1
1
a
b
52675
a - Scribed Identification Number
b - Locating Washer
4. Push sleeve from piston using piston pin tool.
a
b
52674
a - Sleeve
b - Piston Pin Tool (91-74607A2)
5. Place piston pin over tool, and tap into position
(driving tool out other side).
a
52678
a - Piston Pin Tool (P/N 91-74607A2)
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