Graco Series A Mark Vt International Model 287929 Heat Pump User Manual


 
6 310894
Service
Fig. 10. Install ball (206) in piston rod. If Loctiter is ap-
plied to piston valve threads, ensure that none gets on
ball.
ti6186a
Fig. 10
206
Fig. 11. Tighten piston valve to piston rod as specified:
ti6187a
Fig. 11
Torque to 27 +/--3 ft-lb
(36.61 +/-- 4.06 Nm)
(287512)
Torque to 55 +/--3 ft-lb
(74.57 +/-- 4.06 Nm)
(249122, 287513,
289590)
Fig. 12. Soak all leather packings in SAE 30W oil for 1
hour m inimum prior to assembly. Place male gland
(204) in cylinder. Alternately stack UHMWPE ( 203) and
leather packings (223) (note orientation). P lace female
gland (224) in top of c ylinder. Seat packings.
Fig. 12
203
224
223
204
Not
used on
287512
ti6188a
Fig. 13. Install s eal (201) into packing nut (202). Install
throat adjustment spacer (228) onto packing nut.
Loosely i nstall packing nut into cylinder.
Fig. 13
ti6189a
201
202
228
(228 o--ring
on 249122,
289590 )