Removing Backpack Frame; Checking Rubber Cushions - Bosch PB-650 Service Manual

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6-2 Removing backpack frame

(B)
(A)
2K471
(D)
8K046

6-3 Checking rubber cushions

(A)
BACKPACK FRAME
1. Disconnect throttle wire and fuel pipes from Car-
buretor.
2. Disconnect primary lead coupler (A) and remove
ground lead terminal (B) from crankcase.
For the units of PB-650 serial number up to
35003140
(C)
3. Remove three nuts and washers (C) on frame
and disconect engine unit form frame.
For the units of PB-650 serial number 35003141
to 35999999, and for the units of PB-750 up to
35999999
3. Remove three nuts and washers (C) on frame.
4. Remove four bolts (D), spacers (E) and flange
nuts (F) and dismount engine units from frame.
(F)
(E)
Check three rubber cushions (A) on fan case for
crack, wear, or peeling from the metal fixture. Re-
place as required.
PB-650
PB-750