Chevrolet 1988 Light Duty Truck Repair Manual page 344

6A-14 GENERAL ENGINE MECHANICAL
A. S crew driver
B. Pushrod
229. R etainer
Figure 22 — Flat Type Hydraulic Lifter Assembly
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Clean
All parts in CLEAN solvent. Remove all gum and
varnish deposits.
L v
In sp ect (F ig u res 22, 23, and 24)
— Plunger (226) for scoring and wear.
— Pushrod seat (228). If worn or rough, also check the
mating pushrod.
225
223 224 X
222 X
221. L ifte r B ody
222. P lu n g e r S p rin g
223. C h e ck B all R e ta in er 228. P ushrod Seat
224. C heck B all S p rin g
225. C h e ck B all
Figure 23— Flat Type Hydraulic Lifter Components
B-05237
229-----
Jf
228-----
227
226
%
226. P lu n g e r
227. M e te rin g Valve
229. R e ta in er
B-05236
223 225
230 221
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3j W ) ^("| j ^ ( — TLfl I (9
222 224
221. L ifte r B o dy
222. P lu n g e r S p rin g
223. C h e c k B all R e ta in e r
224. C h e c k B all S p rin g
225. C h e c k B all
Figure 24 — Roller Type Hydraulic Lifter Components
Im p o rtan t
Do not attempt re-conditioning by taking parts from
other unserviceable lifters.
* A ssem b le (F ig u res 22, 23, 24, 27, and 28)
Im p o rtan t
A b s o lu te c le a n lin e s s is n e c e s s a ry w hen
asse m b lin g the hyd rau lic lifters. Use only
A. S crew driver
B. Pushrod
229. R etainer
Figure 25— Removing the Retainer (Typical)
227 229
226 228
226. P lu n g e r
227. M e te rin g Valve
228. P u sh ro d S eat
229. R e ta in e r
230. R o lle r
B-09402
B-05238