TM-9-2520-254-34 Direct Support for M113 TX100-1 Transmission 2520-00-066-4240 Download

Table 4-1. Troubleshooting-Continued 9. Malfunction Transmission does not shift automatically from intermediate to high range. Throttle position does not in- fluence lockup or range shifts, or main pressure. 10. Transmission high to low term ed iate. downshifts from range, misses in- upshifts from low 11. Transmission to high ran~e, misses in- tern) ed iate. ~.). f,ow. or intermediate-range clutch slips. 1:). High-range clutch slips. 14. Low fron pressure. gnvernor (G 1 I Probable Cause a. Rear governor ( G2 ) pressure low. l,. Intermediate-lligb shift plug, shift valve, or blocker plug sticking ( in intermediate position 1. c. Intermediate-l ligh shift valve spring load excessive. d. Shift linkage disconnected or improperly adjusted. e. Manual selector valve sticking in 1-2 position [ operator’s control will not movel. a. Throttle valve linkage discon- 1 n ected. /}. Throttle regulator valve sticking in bore. c. Throttle valve spring missing. a. Intermediate-high shift plug, shift valve, or blncker plug sticking bore (in high position). /,. Intermediate-high shift valve spring missing. a. Intermediate-high shift plug, shift valve. {w blocker plug sticking in bore (in high pnsitisml. b. Intermediate-high shift valve spring missing. a. Main pressure low /~. Clutch plates failed c. Clutch piston seals leaking. d. Internal leakage in hydraulic system. ,,,. oiltransfert ubetoaffected clutch if. b. I,. if. II. ,. d. not seated. Refer to item 12a through o above. Intermediate-lligh shift valve sticking: does not move full length of stroke. H(),,k-type seal rings (21, fig. 5- 62) broken or missing. Fnmt pitot tube damaged or lonse. Frxmt g{wm-nor ring damaged. Il]ternal oil leakage. Check valve ball and / or retainer (76 and 75 fig. 5-82) damaged. missing. or fouled. (,. l.,,ss(}ff)ilsll]~[~ly togovernorring.” a. Rear pitt)t tube damaged or loose. /~. I{ear glwern~)r ring damaged. c. Internal oil leakage. (/. Loss {~f oil suppl) t~~ g{wernor ring. Corrective Action a . l). (,. ;1 b. (,. a . b, it. l). ii. b. (.. d. (,. a b. Refer to item 13 below. overhaul (rebuild) or replace control valve assembly (para 5-52 through 5-56). Check spring Inad (table 6-2; replace spring (para 5-52 through 5-56). Connect and adjust linkage (para 5-63). overhaul (rebuild) or replace control valve assembly (para 5-52 through 5-56). Replace spring (para 5-52 through 5-56). overhaol (rebuild I nr replace control valve assembly (para 5-52 through 5-56). Replace spring (para 5-52 through 5-56). Replace spring (para 5-52 through 5-56). Replace spring (para 5-52 through 5-56). Refer to item 16 below. overhaul transmission (para 5-1 through 5-63). overhaul transmission (para 5-1 through 5-63). overhaul transmission (para 5-1 through 5-63). Install tubes properly (fig. 5-127). I{efer t{) item I?ti through c abnve. overhaul (rebuild) nr replace e{)ntrf)l valve assembly (para 5-52 through 556) t. overhaul transmission (para 5-1 through 5-63). il. overllalll transmission (para 5-1 through 5-63) /,. oierhaui transmission (para 5-1 through 5-63). f.. owerllatll transmission (para 5-1 through 5-63) {/. overhaul (rebuild) or replace oil transfer plate assembly (para 5- 47 through 5-51). ,,. Check oil sopply nrifice (item 16, fig. 5-62). il. ‘1’igl)ten bolts. disassemble traosmissitm if tube is damaged (para 5-1 through 5-63). /,. overhaul transmission (para 5-1 through 5-63). f. okerl]aul transmission (para 5-1 through 5-63). (/. Check oil supply orifice (item 5, fig. 5-81). 4-3