Graco 203831 Thermostat User Manual


 
11306563
Parts
Ref
No. Part No. Description Qty.
Ref
No. Part No. Description Qty.
1 101682 SCREW, soc hd cap; 1/4–20 x 5/8 6
2 101754 PLUG, pipe; hex soc; 3/8 npt 1
3 101971 RACE, thrust; adjusting nut 1
4 101972 BEARING, needle thrust 1
5* 187875 GAUGE, fluid pressure; 0–30 psi
(0–2 bar) (Model 204500 only) 1
101180 GAUGE, fluid pressure; 0–200 psi
(0–13 bar) (Model 204501 only) 1
101176 GAUGE, fluid pressure; 0–60 psi
(0–4 bar) (Models 205425 &
203831 only) 1
7* 150670 GASKET, copper 1
9* 157277 SEAL, o-ring; thiokol 1
10 160741 NUT, lock; diaphragm 1
11 160745 TUBE, gauge mounting 1
12 161349 NUT, spring adjusting 1
13 161351 SPRING, flat compression (Models
203831 & 205425 only) 1
166617 SPRING, helical compression (Model
204500 only) 1
160034 SPRING, helical compression (Model
204501 only) 1
14 161889 UNION 45_ swivel; 3/8 npt(m) x
3/8 npsm(f) 1
15 161357 BUSHING, fluid outlet 1
16 161358 BODY, regulator 1
17 171194 CAP, regulator 1
19 162485 ADAPTER; 3/8 npt x 3/8 npsm 1
20 164863 SCREW, adjusting 1
21* 164864 PLATE, diaphragm 1
22* 171198 GASKET, acetal 1
25 204522 KEY, regulating (removable) 1
26* 204523 SEAT, valve (Models 203831 &
204501 only) 1
206523 SEAT, valve (Model 204500 only) 1
212030 SEAT, valve (Model 205425 only) 1
27* 206920 STEM, valve (Model 204500 only) 1
204524 STEM, valve (Models 204501 &
203831 only) 1
205183 STEM, valve (Model 205425 only) 1
28* 206921 HANGER, diaphragm 1
29 153996 SPRING, helical compression (Model
204500 only) 1
30 166618 CAP, spring (Model 204500 only) 1
31* 172193 DIAPHRAGM 1
32* 171912 GASKET; cellulose fiber 1
33* 171913 GASKET; cellulose fiber 1
34 171193 WASHER, plain 1
* Recommended “tool box” spare parts. Keep on hand to
reduce down time.
Dimensions
Fig. 5
Model 204500:
11.25” (285.8 mm)
Models 203831,
204501, & 205425
9.75” (247.7 mm)
5.5” (140 mm)
3/8 NPSM (F) INLET3/8 NPSM (M) OUTLET
.62” (15.8 mm)
Weight:
4 lb (1.7 kg)
5 lb (2.3 kg)
5 lb (2.3 kg)
5 lb (2.3 kg)
Model 204500:
Model 203831:
Model 204501:
Model 205425: