GMC 1989 Light Duty Truck Repair Manual page 348

6A-14 GENERAL ENGINE MECHANICAL
>31
Clean
All parts in CLEAN solvent. Remove all gum and
varnish deposits.
Inspect (Figures 22, 23, and 24)
— Plunger (226) for scoring and wear.
— Pushrod seat (228). If worn or rough, also check the
mating pushrod.
221. L ifte r Body
222. P lunger S pring
223. C heck Ball R etainer 228. Pushrod Seat
224. C heck Ball S pring
225. C heck Ball
Figure 2 3 — Flat T ype H ydraulic L ifter C om ponents
229-—
228-----
Jf
226. P lunger
227. M etering Valve
229. R etainer
B-05236
2 2 3 2 2 5
2 30 221
\
djit
222 2 24
221. L ifte r B ody
222. P lu n g e r S p rin g
223. C h e c k Ball R etaine r
224. C h e c k Ball S p rin g
225. C h e c k Ball
Figure 24— Roller Type Hydraulic Lifter Components
Im portant
Do not attempt re-conditioning by taking parts from
other unserviceable lifters.
*
Assem ble (Figures 22, 23, 24, 27, and 28)
Im portant
• A b so lu te c le a n lin e s s is n e ce ssa ry w hen
assem bling the hydraulic lifters. Use only
2 2 7 229
I I
( — fL B dj • — ^
2 2 6 2 28
226. P lu n g e r
227. M e te rin g Valve
228. P u shro d Seat
229. R e ta in e r
230. R o lle r
B-09402