Dover TWG TULSA WINCH 1500W Service Manual - Page 12

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14. Coat the new o-rings and backup rings

(Item 10)

the piston

15. Carefully install the piston

until it is seated.

16. Install the springs

position, coat the bottom of each spring with chassis lube to keep it in position.

17. Coat the new o-ring

(Item 20)

18. Install the cover

alternating between opposite capscrews. Make sure that the cover is aligned properly with the

brake housing in order to correctly orient the motor and vent/drain plugs.

19. Check the brake release with a portable hydraulic pump. Full release should be obtained at 225

PSI ±10%.

FIG 5

(Items 7-1, 7-6, 7-7, & 7-8)

See Fig. 5 for proper o-ring/backup ring installation

(Item 10)

into the brake housing

(Item 24)

into the spring pockets of the piston. If working in a horizontal

(Item 7-3)

with light oil and install it into the groove on the brake cover

(Item 20)

onto the brake housing

(Item 21)

with light oil and install onto

and gently tap it down

and draw it down evenly,