OP-755 Part 2 Pages 197-401 - Personal Page of GENE SLOVER

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Inasmuch as spring 271718-10 is under compression
when assembled precautionary measures should be taken
to assure that it is completely restrained before
removing nut 271730-6, otherwise parts may snap free
and become damaged.
54. Dismantling the hand control) (dr , 271715). -Before
proceeding with the removal of the hand control assembly be
sure that control link assembly is free at arm 271716-3.
To remove the hand control assembly from the A-end,
remove screws 206446-3 and lock washers 196733-1.
Then slide unit off dowels 196700-8.
To effect complete dismantling of the hand control
uni t proceed according to the following instructions:
Removescrews 180226-6, lock washers 196733-1 and the
cover 271715-3 with oil seal 271730-2 and washer
271715-5. Then remove lock nut 229152':"'2 and. lock
washer 220719-1. The remaining parts can then be
tapped free.
Whenever the hand control unit is reassembled on the
A-end while the valve block is in place it is necessary
to hold the starting valve clevis assembly
271714 depressed. This permits the proper assembly
of clevis against the starting valve cam 271717-4.
Necessary access to the clevis can be obtained thru
the inspection cover 271724-1.
55. Iii em an t l tng the be II crank control (d.r . 271719)'.-
To remove the bell crank control assembly from the A-end remove
screws 206446-3 and lock washers 196733-1, then slide unit off
dowels 196700-8.
Before proceeding with the removal of this unit be
sure arms 271721-6, 271721-3 and 271721-4 have been
disconnected from the linkages.
To completely dismantle the bell crank control assembly
proceed as follows:
Loosen lock nut 196804-4, then remove it with the
link nut 271722- 3. Remove screws 220718-1 with lock
washers 196733-1. Guide bracket 271721-2 then becomes
free.
Removescrews 180226-7 and lock washers 196733-1 from
the four levers. Then slide eam 271721-5 on shaft
against arm 271721-6. Remove arms 271721-3 and