Assembling Engine Unit On Backpack Frame - Bosch PB-650 Service Manual

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7-5 Assembling engine unit on backpack frame

(C)
(B)
(A)
BLOWER SYSTEM
1. Assemble engine unit to backpack frame using
three washers (B) and flange nuts (A).
NOTE : Coat threads of cushions with Loctite #222
(E)
or ThreeBond 1344N or equivalent.
(D)
2. Assemble blower grid to backpack frame using
four bolts (C), spacers (D) and flange nuts (E).
Thread of cushion
NOTE : When assembling engine unit to backpack
frame, install the bottom of blower grid correctly as
shown.
PB-650
PB-750